Upon transferring to Ishinomori Middle School, Tetsuko, also known as Alice, stumbles upon a chilling rumor about her seat's previous occupant, the elusive 'Judas,' who is rumored to have met a grim fate—potentially at the hands of one of his four wives. Juggling her mother's interference and classmates' harassment, Alice delves into the enigma of Judas' vanishing. Her quest leads her to the eccentric recluse next door, Hana Arai. Despite a hesitant start, Hana joins forces with Alice, concocting a daring scheme to unravel the truth. Together, they traverse a path strewn with clues, aiming to unravel the mystery of Judas' fate. Amidst this investigation, a fragile bond forms between the two girls, hinting at a budding friendship amidst the uncertainty.