The story follows ( Chloë Grace Moretz ), a naive young woman new to New York City who finds a lost handbag on the subway and returns it to its owner. The owner, Greta Hideg (Isabelle Huppert), is a seemingly lonely and eccentric French piano teacher.

: Frances, who recently lost her mother, finds comfort in Greta's maternal warmth.

An "interesting report" on the film highlights its unique place in the thriller genre and its departure from typical tropes:

The 2018 film is a psychological thriller directed by Neil Jordan that explores the unsettling consequences of a simple act of kindness. Core Premise & Plot

: Viewers often joke that the film is a cautionary tale about returning lost items in big cities or using fingerprint logins.