Kim Kwang Ja is an ordinary 42-year-old housewife who has spent most of years devoted to her gruff husband and indifferent daughter. When she discovers the music of a popular idol boyband, she becomes a fan of the lead rapper, Jin, and finds new joy in her life.

A love story about Princess Nak-rang who fell in love with a spy from Goguryeo. She tore the drums of her country so that Goguryeo could attack her country, Nangnang-guk, without warning. However, Nak-rang's love story with Hodong is further complicated due to the fact that Nak-rang's older sister Ja Myung is in love with Hodong as well.

Lee Soo Hyun belongs to a special international narcotic drug crime investigation unit. He witnessed the murder of his mother at the hands of a gangster as a child. Suh Ji Woo is the first love from Soo Hyun's childhood with whom he was seperated from. Soo Hyun is adopted into Kang Min Ki's family and both grew up to become NIS agents. Ji Woo and Soo Hyun are accidentally reunited when the beautiful Ji Woo caught the attention of playboy Kang Min Ki. She and Soo Hyun are seperated once again because of Soo Hyun's vengence against his parent's enemies.

Cha Moo Hyuk (So Ji Sup) is an orphan that was abused by his adoptive family. So he ran away and learned the way of the streets, meeting all sorts of people. Because of an accident involving is ex-girlfriend, he has 3 months to live. So he goes to Korea filled with anger and hurt about his birth mother.

Then in Korea he meets someone he least expect himself to love. But how can he be able to love, hate, and revenge within the short three months of his life?