Ye Han, Xu Jia Cheng, Xu Yan and Lu Zheng are four 30-something boys who have been buddies since schooldays. Now, they have their own careers and are experiencing the sorrows and troubles that love brings them. Yen Han and Xu Jia Cheng co-foundered the fashion magazine "Shen Du" and are now celebrating its 10th anniversary. The celebration is about to start, but a commemorative issue with a typo error was accidentally put on the market. It was purchased by Li Xiao Xiao, who happens to be Jia Cheng's friend and is invited to the celebration party. At the party, she is shocked to see her crush, Jia Cheng, kissing her model bestie, Tong Yi Wen, and dashed into the editor-in-chief, Ye Han. Passing by, Xiao Xiao does not notice a long red line behind her while Ye Han follows the red line little by little... (Source: Chinese = Baidu || Translation = AnastasiaWun at MyDramaList)