The Girl on the Train (2016) (2016)

Rachel Watson's life has unraveled following her divorce, leaving her to drown her sorrows during her daily train rides. Each journey, she finds herself captivated by a seemingly idyllic couple residing in a house along the tracks. However, everything changes when she witnesses a shocking incident unfold before her eyes. Driven by a mix of obsession and desperation, Rachel becomes inadvertently embroiled in the ensuing mystery, challenging her perceptions of reality and forcing her to confront her own troubled past.