A man is left in space due to an unfortunate accident while another man on Earth struggles to bring him back safely.

In the afterlife, one guardian helps a man through his trials, while his two colleagues help a former guardian on earth.

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.