A home for many years, cynical son, a lonely, suffering from Alzheimer's father, let them live separately, they are closely tied to the fate again. From the initial hostility, silent soul to gradually close, and gradually find that they had the power of love and co-owner, this clown-like face of his son to join theirs ups and downs, joys and sorrows with the vicissitudes of life, they do not always abandoned. Haipi abjection son to return home, suddenly no longer recognize the face of his father, he thought it would be a war between a father and son, and later he found he was wrong, this is not a war, but we will eventually face fate and growth experience. Haipi began to learn how to do a real man

Kiriyama Shuichiro works as an information management officer in the prefectural police station. As he is very observant and has interest in the unresolved cases which have gone past the legal time frame (statute of limitations) i.e. the culprit cannot be charged even if he/she is caught, he investigates the cases without permission with the aim of "confirming" the culprit only. Some charateristics of this character would be his dark green spectacles, his wallet containing 20,000 yen at all times and he likes udon and nyuumen.

Chow Chi Yu runs a pound. Her whole family knows a lot about the animals and loves to take care of them. One day, she brings home a dog that was abandoned on the street. Unfortunately, the dog is ill and infects the other dogs in the pound, almost destroying her business. At the same time she meets Miu Jun, the man whom she realizes had left the sickly dog on the street. Of course this makes her despise him and so the two of them are always fighting with each other.

The president's daughter, Yoon Jae-hee (Jun Do-yeon) is a Korean diplomat in Prague. She has only recently recovered from a devastating break up five years earlier with Ji Young-woo (Kim Min-joon), the son of a prominent Korean businessman. Choi Sang-hyun (Kim Joo-hyuk) is a detective who goes to Prague searching for his ex-girlfriend Hye-joo (Yoon Se-ah). Hye-joo broke up with Sang-hyun over the phone from Prague and Sang-hyun can not accept it.

Sang-hyun meets Jae-hee in Prague and misunderstandings abound. Eventually the two help each other and become friends. When they return to Korea love blossoms, but their respective ex's and very different social status put it to the test.

Maki Maki, Sebuki Suzume, Beppu Tsukasa and Iemori Yutaka happen to meet and form a quartet. They even begin to live together in Karuizawa during the winter, but there is a big hidden secret.

Maki, who has a negative personality and barely gives her opinions, plays the lead violin in the quartet. She has family and only goes to Karuizawa on the weekends for performances. Suzume, who is unemployed, plays the cello, while Yutaka plays the viola in the quartet. The leader of the quartet and the one providing his grandfather's villa as a base for them is Tsukasa. He plays the second violin in the quartet and comes from a musical family. A man of many secrets, he also works at a donut company.