A missing person case involving a female university student and the victim in a hit and run case appears to be the same person. Detectives look for a witness. A witness, Min Soo-Ah appears, but Min Soo-Ah is blind. She used to be a promising student at the police academy. With her acute senses, Min Soo-Ah is able to reveal important clues on the hit and run case. Another witness, Kwon Gi-Seob then appears. Gi-Seob, who witnessed the case with his own eyes, gives contradictory statements to Min Soo-Ah. The investigation then goes through many twists and turns, while Min Soo-Ah finds herself up against the killer.

A woman finds a man in a box in front of her home and takes him in. She jokingly says she wants to keep him as her pet since the man reminds her childhood dog. The man agrees. Later the woman discovers that the man is a dance prodigy. Complications arise when her old flame from college appears.

Hyo-joo, an untenured instructor at a boys’ high school is assigned to a class of seniors as a HR teacher. She notices that a specialized dance student Jae-ha is absent from the self-study session, and finds him practicing refined dance movements in the gym. The next day Hae-young, the school board chairman’s daughter arrives as a tenured instructor, which was the position assumed to be offered to Hyo-joo soon. Hae-young, sweet and having grown up with no worries, treats Hyo-joo with affection, but Hyo-joo only gives her the cold shoulder. Then one day, Hyo-joo witnesses Hae-young and Jae-ha in the gym, having sex, and from that moment on, she starts feeling an inexplicable sense of humiliation towards Hae-young while gradually falling under the influence of Jae-ha’s elusive charm.

Having died unexpectedly, firefighter Ja-hong is taken to the afterlife by 3 afterlife guardians. Only when he passes 7 trials over 49 days and proves he was innocent in human life, he’s able to reincarnate, and his 3 afterlife guardians are by his side to defend him in trial.

In the middle of the night, a man reports a missing person to the police office… himself. He has lost his memory. He can only remember from the moment he found himself left alone in an apartment. He tries to find any clue as to who he might be, but nothing comes out. When he plucks up the courage to go out, he meets a girl at a convenience store, who he thinks might know him. Instantly she becomes his only hope and joy, but when he returns, she has disappeared. Then his attempt to find someone who remembers him becomes greater than his need for his own memories, transforming into a quest to reconnect with a lost love.