Mary Higgins

Poirot's friend Ariadne Oliver attends a children's Halloween party at Woodleigh Common. During the party, a young girl known for lies and overexaggerating says she has seen a murder once. Later on the girl is found dead. Mrs Oliver asks for Poirot's assistance on finding the murderer.

During a village's Hallowe'en party, a young girl boasts of having witnessed a murder from years before. No one believes her tale until her body is found later on in the evening, drowned in the apple-bobbing bucket.