Morgan Gaines, a highly trained former Royal Marine and assassin, finds himself drawn into a treacherous world of assassination contracts when his superior, Caldwell, tasks him with eliminating a notorious European trafficking kingpin named Luka Lesek. Just as Morgan is about to take his shot, he is blindsided by another sniper, which not only causes him to miss his mark but also alerts Luka's henchmen to his presence. In the chaos that ensues, the sniper takes out Luka instead.
Caught in a whirlwind of assassination and betrayal, Morgan seeks solace with his girlfriend, Sophie, and considers stepping away from his violent lifestyle. However, Caldwell pressures him to accept six contracts, promising that it would be the last before he can lead a more peaceful life. Reluctantly, Morgan turns down the offer, but an attempt on his life by an assassin named Alec Drakos proves otherwise, forcing his hand. In a moment of desperation, Morgan eliminates Drakos, only to discover that this act will inevitably lead to more threats against his life.
As the plot thickens, Morgan identifies his subsequent targets: Anaselm Ryder, Pablo Martinez, Yuko, Demir, and the enigmatic Falk](/actor/noomi-rapace), whose true identity remains shrouded in mystery. In a high-security prison in Bosnia, Falk orchestrates the demise of Demir and sends incriminating evidence to Inspector Leon, a dedicated French police officer on the hunt for the assassins. Morgan’s investigation leads him to question Leon about the contracts and the shadowy figure funding the operation—Jonna, who has motives linked to her father, Yakov’s death.
When an unexpected offer of collaboration comes from Falk, whose real name Morgan discovers is Vos, allegiance and trust become dangerously intertwined. As Morgan tracks down Pablo in Barcelona, disaster strikes when Yuko, another assassin, tries to eliminate him. In a frantic struggle, Morgan must act decisively to protect his own life while saving Pablo’s.
Tension escalates as Vos approaches Caldwell for information on Morgan, leading to a series of deadly confrontations. In a shocking twist, Ryder attempts to target Sophie, compelling Morgan to protect her from the escalating violence. When all seems lost, Vos’s betrayal is laid bare, and a showdown in Sophie's apartment leaves the stakes at an all-time high.
In a harrowing climax, Morgan must race against time to save Sophie from Vos's lethal grip and emerge unscathed from a law enforcement entanglement. As the dust settles, Morgan and Sophie seek refuge in Porto, Portugal, hoping for a chance at normalcy, unaware of the lingering dangers as Vos lies wounded but alive, plotting her next move.