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 a woman and her boyfriend are injured in a car crash, he is left with a leg injury which requires them to hire a nurse, but the woman they select is more trouble than she appears.