On the eve of Bastille Day in Paris, an American conman, Michael Mason, makes a fateful decision to steal a woman's handbag that unknowingly contains a teddy bear rigged with explosives. After he carelessly discards the bag, it detonates, tragically killing four innocent people. This explosive device was supposed to go off in an empty office, but the presence of employees changed everything. As a result, Mason becomes a target of the French authorities and is placed under surveillance by the CIA.
Determined to uncover the truth, CIA agent Sean Briar embarks on a mission to track down Mason, leading to a tense chase across rooftops. Once captured, Mason tries to explain that he had no idea the bag contained dangerous materials and reveals that he obtained the woman's name, Zoe—found in the bag’s call log—just before everything went wrong. Meanwhile, Zoe, feeling immense guilt over the calamity, is under duress from a man known as Jean (whose real identity remains a mystery). This Jean facilitates her escape after realizing she is in grave danger from a mercenary group led by Rafi Bernard, who orchestrated the deadly plot.
As events unfold, Zoe discovers that the group intends to recover her phone's location which leads them closer to her. During a heated confrontation, Briar finds himself outmatched by the mercenaries while Mason manages to evade them. Compounding their predicament, Rafi's group attempts to frame innocent individuals by planting evidence at a mosque to further their chaotic scheme, with Victor Gamieux, the French Interior Minister, revealed as their mastermind.
After a nail-biting series of encounters, Mason and Briar find refuge at the safe house of Zoe's friend Paul, but they are not safe for long as Zoe and her associates hatch an escape plan. The tension heightens when Mason employs clever tactics to acquire Paul's ID card, which reveals Zoe's address. This leads them straight to her apartment, where Zoe holds Mason at knife-point, demanding answers about the next bomb's location. Through interrogation, she divulges Jean's address, guiding them to a shocking discovery: Jean is actually undercover officer Fibbert Pascal, found dead.
Despite the burgeoning chaos, help is on the way, with Briar attempting to relay this pivotal information to CIA colleague Karen Dacre. Unfortunately, she meets a tragic fate at the hands of Gamieux, who asserts his control by eliminating threats. In a frantic twist, Zoe and Mason narrowly evade death from Gamieux's henchmen in a grueling fight, eventually heading towards their intended target—the bank.
At the bank, Briar realizes the depths of Gamieux's corruption and orchestrates a clever ruse using the chaos outside to gain access. Inside, Rafi finalizes his nefarious transfer of $500 million with Briar in hot pursuit. In an explosive showdown, Mason and Zoe join the fray, desperately trying to assist Briar. Mason cleverly secures the hard drive while Rafi takes Zoe hostage, threatening dire consequences if his demands are not met. As the climax unfolds, Briar bravely intervenes, leading to a confrontation with Rafi that results in Gamieux's men mistakenly opening fire.
Finally, Mason confronts Gamieux under the pretense of negotiating for his freedom, leading to a dramatic twist. Just as he’s about to be betrayed, Briar appears, and a standoff ensues, revealing Mason's brilliance as he walks away unscathed and clear of any accusations. As a new chapter unfolds, Briar assures Mason of a promising future.
