After a heroic death, Kim Ja Hong navigates the afterlife with the help of three guardians Kang Rim, Haewonmaek, and Deok Choon. All deceased must meet the gods of hell and face trials of murder, indolence, deceit, injustice, betrayal, violence, and filial impiety over a period of 49 days. However, their plans of getting him through hell become even more challenging as a vengeful spirit exist and wreaks havoc on the real world. With the aid of his guardians and motivated by the idea of meeting his mother once more, Ja Hong and his guardians face obstacles and find reasons by journeying through his emotional past in order to clear him of any accusations and prove that he has lived a noble life.