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.
Raised as a slave, Danny is used to fighting for his survival. In fact, his "master," Bart, thinks of him as a pet and goes as far as leashing him with a collar so they can make money in fight clubs, where Danny is the main contender. When Bart's crew is in a car accident, Danny escapes and meets a blind, kindhearted piano tuner who takes him in and uses music to free the fighter's long-buried heart.
Former Special Forces officer Frank Martin will deliver anything to anyone for the right price, and his no-questions-asked policy puts him in high demand. But when he realizes his latest cargo is alive, it sets in motion a dangerous chain of events. The bound and gagged Lai is being smuggled to France by a shady American businessman, and Frank works to save her as his own illegal activities are uncovered by a French detective.