In this movie, Eileen's anger and resentment towards her sister Claire stem from a devastating car accident that left Eileen deaf and mute. Eileen's past is revealed through flashbacks, showing a secret romance with Claire's groom James, which was kept hidden due to their age difference. As Eileen's story unfolds, she becomes increasingly consumed by a desire for revenge against the newlyweds, leading to a dramatic and suspenseful plot that challenges the audience to question the truth behind Eileen's claims.
Mute
At Claire's wedding, Eileen's long-simmering anger towards her sister finally erupts, driven by a deep-seated grudge rooted in a car accident that left her deaf and mute, with Eileen convinced Claire is to blame for her condition.