A love story about a woman who falls in love with a man suffering from a split personality disorder, and the troubles she goes through because of this love. Aizawa Saki, who works for a trading company, was having an affair with her department chief, Okada, but decided she wanted to put an end to the relationship. On her way home after telling Okada it is over, Saki is surrounded by a gang of young boys. Luckily, Takagawa Ryo, a man with a piercing glance who happened to be there, rescues her, then steals some money from her wallet and walks away. The next day, a new employee, Mizuno Takumi, reminds her of him. Saki thinks that it can’t be the same man.
Eun Soo is a pure but unsophisticated woman who runs a small resort inn with her father. Eun Soo is just an ordinary girl, but her life changes when she meets a man who's completely lost his memory. She takes him in and cares for him, and even gives him a name: "Baek Chang Ho". Love blossoms, and soon wedding bells can be heard.
But on the night of their wedding ceremony, Eun Soo's father passes away. And soon after, Chang Ho disappears too! In the blink of an eye, the two people Eun Soo loves most in the world have left her. But Chang Ho had his reasons for disappearing: his real name is Kang Hyun Woo, and he's heir to a large conglomerate. Even more, someone is plotting to kill him
But on the night of their wedding ceremony, Eun Soo's father passes away. And soon after, Chang Ho disappears too! In the blink of an eye, the two people Eun Soo loves most in the world have left her. But Chang Ho had his reasons for disappearing: his real name is Kang Hyun Woo, and he's heir to a large conglomerate. Even more, someone is plotting to kill him
Lee Gun used to be a promising tennis player, but he was injured. After that, he lost all of his self-esteem, and his life completely changed. With the use of a memory eraser, his memory is erased, and he is reborn with maximum self-esteem and presence. His first manipulated love is Kyung Ju Yeon, a psychiatrist at the brain research center. Other people around him include his younger brother Lee Sin, who is ranked the world’s no.1 ranked tennis player. Meanwhile, Jeon Sae Yan is Lee Sin’s translator.
Matsumura Ryouko is a popular novelist in her 50s who has just found out that she has Alzheimer’s disease. In order to gain some fulfilment in her life, she decides to be a guest lecturer at a university. Through one of her students, she meets a South Korean exchange student, So Chan Hae. As they become closer, they fall in love.