Rachel is unemployed and devastated by a recent divorce. She fills her time with drinking, riding the commuter train, and fantasizing about a seemingly perfect couple the train passes by every day. Then one morning, Rachel sees something shocking that unravels her and entangles her in an unfolding mystery.

When 13-year-old Adriana is kidnapped by sex traffickers in Mexico, her 17-year-old brother, Jorge, sets off on a desperate mission to save her. As Jorge dodges overwhelming obstacles to track the girl's abductors, he meets Ray, a Texas cop whose own family loss leads him to become an ally.