After a high-profile political assassination goes sideways, an injured hitman hides out amongst a tribe of snow monkeys in the mountains of Japan.

Monkey and Bryce arrive in Tokyo seeking revenge. But will the differences in their style doom the mission before it even begins?

Monkey and Bryce investigate the evil General Kato. The trail leads to an underground casino, where Monkey embraces the human world while struggling to continue his mission.

Monkey and Bryce break into a prison to hunt a mysterious villain known as The Accountant and Monkey squares off against the prison’s most dangerous inmate.

After the Yakuza put a price on Monkey’s head, he and Bryce must face off against a who’s who of the city’s most colorful assassins, and their greatest foe of all: Bryce’s ego.

Monkey and Bryce’s powerful target releases an army of doubles to throw them off his scent as Bryce tries to make peace with his past.

After battling their toughest foe yet, Monkey & Bryce’s partnership finally comes apart at the seams.

Ditching Bryce, Monkey returns to his old hot-springs and attempts to join a new tribe. Meanwhile, Bryce is forced to relive the events that thrust him down the path of assassin-hood.

A reunited Monkey and Bryce get some much needed help from a pair of unexpected friends. They head to their final target and discover a startling truth.

As Monkey and Bryce near the end of their journey they struggle against obstacles of their own making.

Monkey makes a name for himself as a hitman in New York City while Bryce tries to reconnect with his daughter. But all that changes when Haruka arrives with Bonsai Master's sword.

Monkey, Bryce, and Haruka break protocol, demanding to know who set them up. This leads them to a mysterious Member's Only club, where an unlikely assassin aids in their mission.

Monkey tries to save Haruka, while Bryce looks for a way to speak with Iris. But when their efforts lead them to the hyper-capable Assassin's Cooperative, a greater mission emerges...

Monkey, Bryce, and Haruka struggle against an enemy with the ability to see into the future.

Monkey is violently reunited with Akiko, while the rift with Bryce deepens. Meanwhile, Monkey's bonds with the Co-Op grows deeper, and Boone's tragic past comes to light.

Monkey, Bryce, Haruka, and The Co-Op visit The Shepherd's ranch estate to retrieve the final relic, but he and his wife aren't going down without a fight.

Bryce, Haruka, and Iris turn Eunice's beach house into a fortress, awaiting the Co-Op's invasion. But when Monkey shows up, it triggers a knock-down, drag-out fight.

A reluctant Bryce smuggles himself into Slyke's mind in order to rescue Monkey from a sadistic killer known as The Hunter.

The Co-Op uses the reforged relic to unleash the full power of the natural world on New York City. It's up to our gang and a group of unlikely heroes to stop them from destroying all of humankind.

Monkey and Bryce fight Boone throughout history, and ultimately Monkey is forced to face his true origin. But just when they think they've won the day, Akiko returns to take revenge.