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.

As the deceased soul Ja-hong and his three afterlife guardians prepare for their remaining trials for reincarnation, the guardians soon come face to face with the truth of their tragic time on Earth 1,000 years earlier.

Min-ho's adulterous lover Se-hee is murdered in a hotel where only the two of them were present, and Min-ho is immediately singles out as the prime suspect. Insisting on his innocence, Min-ho hires the talented lawyer Shin-ae to defend him, and confesses to her that a car accident on the day before may be connected to Se-hee's murder.

Marine Boy is the story of a former national swimmer who finds himself in debt, and out of desperation is employed as a mule by a gangster boss, smuggling drugs by sea.

As the deceased soul Ja-hong and his three afterlife guardians prepare for their remaining trials for reincarnation, the guardians soon come face to face with the truth of their tragic time on Earth 1,000 years earlier.

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.

Min-ho's adulterous lover Se-hee is murdered in a hotel where only the two of them were present, and Min-ho is immediately singles out as the prime suspect. Insisting on his innocence, Min-ho hires the talented lawyer Shin-ae to defend him, and confesses to her that a car accident on the day before may be connected to Se-hee's murder.

Marine Boy is the story of a former national swimmer who finds himself in debt, and out of desperation is employed as a mule by a gangster boss, smuggling drugs by sea.