Bryan Mills, a former government operative, is trying to reconnect with his teenage daughter Kim. After reluctantly agreeing with his ex-wife to let Kim go to Paris on vacation with a friend, his worst nightmare comes true. While on the phone with his daughter shortly after she arrives in Paris, she and her friend are abducted by a gang of human traffickers. Working against the clock, Bryan relies on his extensive training and skills to track down the ruthless gang that abducted her and launch a one-man war to rescue his daughter.

When his daughter is kidnapped, a retired assassin is drawn back into the life he gave up. To rescue her, he must confront his former rival.

During their Christmas break, a group of sorority girls are stalked by a stranger.

A detective becomes entangled in a mystery involving his missing daughter and a secret government program while investigating a string of reality-bending crimes.