The era of the zombie apocalypse is coming to an end, but Joy's younger brother, Hyun-woo, cannot be cured even with the vaccine. In desperation, Joy captures living people to feed her brother, but the situation does not improve, and they are running out of people to feed him. Seeking answers, Joy heads to the church. This film portrays, in a bright and comedic yet realistic manner, the experiences of humans who have to live with their zombie family members.