Along With the Gods: The Two Worlds

Sin-gwa ham-kke: Jwi-wa beol is a movie starring Jung-woo Ha, Tae-Hyun Cha, and Ji-Hoon Ju. After a heroic death, a firefighter navigates the afterlife with the help of three guides.
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.