91-year-old Geum-sook, who wanted to play a game of Hwatu with her granddaughter Jin-ah before she died, has been dead for over a year without realizing it. One day, Geum-sook plays Hwatu with Jin-ah, who has returned. But something feels a little off. It turns out the Grim Reaper was luring Geum-sook to the afterlife disguised as Jin-ah! The Grim Reaper, whose identity is revealed, makes a final offer. "I'll send you to the moment you most want to return to in your life, but you must shout 'Stop' at the moment you want to die!"