Waking up in an apartment by himself, K has no memory of who he is or how he got there. Everyone who might know the truth seems intent on killing him. K is on his own and on the run... Until he is kidnapped by a ruthless shadowy criminal organization run by a deranged crime boss who calls himself "The Minister." The minster enslaves assassins and sells their services on the black market. K's skills are hone in a bloody gladiator-type arena where prisoners are forced into brutal death matches against one another. An extraordinary fighter, K quickly excels and earns his spot among the Minister's elite killers-for-hire. Under the watchful eye of his handler, a beautiful and lethal woman named Anna, K leads his life under the ironclad rule of the Minister while continuing to seek out the truth of his identity. K's worlds collide when he refuses to assassinate a mysterious stranger who might have strong ties to his past. With Anna's help, K tracks down the clues leading him back to the place where he first lost his memories. Here K will finally confront his past, face the ultimate betrayal and learn the truth about who - and what - he really is.