Following her mother’s death, fifteen-year-old Agne moves in with her estranged father and older sister near a cemetery where he works. There, she uncovers a mysterious and deadly connection between her family and the “13 Souls” — victims of a tragic, unsolved fire decades earlier. As the past resurfaces and strange phenomena escalate, Agne finds herself entangled in a supernatural mystery tied to possession, reincarnation, and long-buried guilt.