Oh Sung Moo, the father of cardiothoracic surgeon Oh Yeon Joo, mysteriously goes missing while writing the last chapter of his webtoon "W". Yeon Joo goes to his office looking, but a hand from his monitor suddenly pulls her in, and she finds herself on the rooftop of a building, next to a bloodied man. She manages to save the person, only to realize that he is Kang Cheol, the main character of her father's webtoon. Yeon Joo later discovers she can only enter and leave the webtoon depending on Kang Cheol's feelings.

Lee Ma Ha is a member of the new K-pop girl group Tea Party, formed by Ji Hak, who was once the manager of the famous boy group Shax, but resigned after the sudden disappearance of member Eun Jo in the middle of a concert. Prior to joining Tea Party, Ma Ha was a member of the group Omega III, which disbanded on its debut day due to a tragic incident involving a former trainee at the group's company. This led Ma Ha to support herself by performing as an impersonator of the popular solo singer La Li Ma, gaining her public notoriety. Starting anew with Tea Party, Ma Ha finds herself repeatedly crossing paths with Kwon Ryok, the center and most popular member of Shax who is still haunted by Eun Jo's disappearance three years later. While Ryok initially dislikes Ma Ha due to her imitation of Li Ma, the two eventually begin to grow interest in one another and start a secret relationship that could put both of their careers in jeopardy. Meanwhile, Lee Yu Jin, Ma Ha's loyal friend who is the center of the rising boy group Sparkling, has been in love with Ma Ha since their idol trainee days. When he notices the budding relationship between Ma Ha and Ryok, he determines to protect her from Ryok and lead Sparkling to beat out Shax as the most popular boy group in the industry.

A story about unraveling mysteries and healing follows a man with special abilities and a woman with a dual personality. Kong Yi Fei has many identities. He is a music teacher at a liberal arts school and a criminal psychologist with a talent for seeing the past through the sense of touch. Han Bing is a hot-blooded female reporter whose other self is a soul that is raging wild. The two meet after being accidentally pulled into a serial murder case. Together with their detective friend Xu Gao Sheng, they work together to capture the real culprit.

Park Ji Sang is a doctor specializing in hepato-pancreato-biliary surgery in the best cancer research hospital in the country. He is also a vampire. Despite seeming cold and unfeeling, Ji Sang masks his soft heart and inner pain and yearns for closeness with people. He believes very strongly in the sanctity of human life and suppresses his thirst for blood to treat terminally ill patients and save lives. Among his colleagues is Yoo Ri Ta, a hotshot physician who entered medical school at the age of 17 and is also the niece of the chaebol group chairman who owns the hospital. Ri Ta is highly capable but snooty and prideful, yet Ji Sang finds himself falling for her. He also gets drawn into a conflict between good and evil as he encounters Lee Jae Wook, a two-faced hospital chief who gains everyone's trust with his gentle demeanor, but inwardly harbors a dangerous ambition for power and a talent for cruelty.

The world of Dahuang was once divided into three kingdoms: Xiyan, Chenrong, and Haoling. Xiyan and Chenrong were at war, and General Chi Chen led the forces of Chenrong. At the last minute, the daughter of Xiyan’s Emperor was called on to lead Xiyan’s forces as the General Princess. She defeated General Chi Chen at the cost of her own life, and succeeded in turning the tide of the war. Chenrong lost its momentum and was conquered by Xiyan. Before her death, the General Princess had two children in her care: her daughter nicknamed Xiao Yao, and her nephew Cang Xuan. After her death, Xiao Yao and Cang Xuan were left alone with no one to rely on except each other. But Xiao Yao was sent to Jade Mountain, and the two were separated. Xiao Yao endures many hardships, but 300 years later she has changed her gender and appearance, and is running a small clinic under the name Wen Xiao Liu. This doctor, his servant, a wine-maker, and a demon military advisor cross paths in Qingshui Town. In this town outside of Xiyan Kingdom and Haoling Kingdom's control, these meetings will change the future of all of Dahuang.

Ji Ah, a woman who has inherited exorcism abilities from her mother, is the owner of Daebak Realty, a company that specializes in selling haunted houses. Ji Ah looks perfect and is also brilliant, but her hot temper makes her fists fly before her words. One day, Ji Ah encounters a conman named In Beom who specializes in exorcism fraud. Late at night when Daebak Realty operates, In Beom visits Ji Ah to make an offer. He suggests that they team up to exclusively sell houses that are haunted by vengeful spirits and lingering ghosts. Can the two get along well and deal with house prices, ghosts, and their sorrowful stories?

In 2017, Son Oh Gong and Ma Wang are in conflict with each other as they look for a true light in a dark world where evil thrives. Having made a contract with Seon Mi 25 years ago, entitling her to seek help from Son Oh Gong whenever she calls him in exchange for letting him free, the two meet again in a fateful encounter. From there, Son Oh Gong is bound to his protective role towards Seon Mi, the little girl he had met years ago.

Do Min Ik is an intelligent, perfectionist man with a heart of stone and the Chief of Team 1 at T&T Mobile Media who always relies on his secretary, the hot-tempered Jung Gal Hee. Although she diligently carries out the tasks her mean boss instructs her to do, she does not hold back in saying what she wishes to say. Will an office romance blossom?

A suspenseful love story in which the fate of several young people with different backgrounds and charms are entangled in two unpredictable twists and turns. Yan Jin, a businessman and former anti-narcotics policeman, decides to investigate a drug-trafficking case that caused the death of his close friend. He infiltrates into the organization as an undercover cop and gets to know Ji Xiao Ou. This causes Zhan Yu, who has a one-sided crush on her, to be jealous. However, Zhan Yu was murdered and Yan Jin becomes the primary suspect. With Ji Xiao Ou's help, Yan Jin sets out to clear his name and to investigate the murder of his close friend.

Moon Gang Tae is a community health worker at a psychiatric ward who was blessed with everything including a great body, smarts, ability to sympathize with others, patience, ability to react quickly, stamina, and more. Meanwhile, Ko Moon Young is a popular writer of children’s literature who, due to suffering from an antisocial personality disorder, seems extremely selfish, arrogant, and rude. Moon Gang Tae denies love and Ko Moon Young doesn’t know it. The two defy fate and fall in love, finding their souls and identities in the process.

Fan Xian is born in the ancient empire of Southern Qing with memories of the 21st century. He lives in a rural town as the illegitimate son of the Minister of Finance, raised by his grandmother. His mother, Ye Qing Mei, was once a celebrated inventor and the founder of the Overwatch Department, the country's spy network but was killed shortly after her son was born. Fan Xian has since been protected by a blind martial arts expert, Wu Zhu, his mother's bodyguard. He learned martial arts and the art of poison as a child, also assisted by his knowledge from the 21st century. After an assassination attempt, he decides to venture into the capital to find out more about his mysterious mother and why anyone would want to kill him, as he perceives himself to be an unimportant person. He also wants to know why he has memories of a sharply different era. In the capital, he accidentally meets Lin Wan Er, the sickly illegitimate daughter of Princess Royal, and falls in love with her. Unbeknownst to him, she is the woman the emperor chose for him to marry so that he would be the new overseer of the Royal Treasury, an institute Fan Xian's mother established in the palace and currently handled by Princess Royal. In the capital, however, he gets entangled in the intrigues of the Emperor and the two Princes, as well as the Overwatch Department, leading to him questioning his whole identity and inducing him to find his true life goals, abandoning his original intention to just "enjoy life".

Huang Ying Zi, Jiang Yi, Fang Ming Yu, Zhuang Yuan, Lan Yi Fei, and Guan Chao all grew up together in Hangtian City, and they became known as the "Hangtian City F6". The good friends had promised to be together for the rest of their lives but were forced to abandon their promise because of an incident in the year of their Gaokao college entrance examination. Twelve years later, at the age of 30, they each walked alone on their respective paths of life, working hard and growing up in the adult world. Suddenly, one day, they received the news that their good friend Guan Chao was about to get married. With the help of Huang Ying Zi, the old friends reunited during the wedding, and their memories of youth slowly unfolded. Only then did they realize that the feelings that had sprouted when they were seventeen had never dissipated, and there were many misunderstandings behind the accident... in fact, the friendship that stayed in the past had never ended.