Young assassins Cody and Romeo seek to kill the leader of a cult who has taken refuge inside the impregnable fortress known as the Citadel. Tanner and Sara help a friend after he and his mother become targets of a street gang. 

Cody and Romeo face off against a terrorist organization after taking a contract to kill its leader. In the midst of that, Cody falls in love, while Romeo reunites with a lost lover from his past. After a plea for help arrives, Tanner goes to the aid of the granddaughter of Tanner Three. 

The boys help Spenser go after three targets at the same time then find themselves being hunted by a group of mercenaries working for Vince Ryker. Tanner discovers Tang's connection to Dalton Geary.

In 1998, Cody and Romeo train hard, then face tests that will decide their fate. In the present, Tanner seeks vengeance on a man who once tried to kill him.... 

Vince Ryker returns, and he and his female apprentice wreak havoc while changing the lives of Spenser, Cody, and Romeo forever. Young Guns 8 - Legends are made, not born.

As Tanner rips apart a drug gang in Arizona, he thinks back on an episode from his past. 

What should have been a simple hit turns into a struggle to survive and a race against the clock for Tanner. 

When a rogue CIA agent and a group of military contractors kidnap Thomas Lawson, Mr. White and Tanner vow to free him. And as if those two extraordinary men weren't enough, Blue Steele and Jake Caliber join the fight. Will they be in time to save Lawson, or will the mysterious man be forced to reveal the secret of his power and political clout?

When they learn that the man named Brick has resurfaced in California, Tanner and Mr. White go in pursuit of the huge menace. In response, Brick sends a deadly crew of killers to stop Tanner and White, even as a third party seeks their deaths. Along the way, Mr. White and Tanner receive assistance from a mysterious man named Stark. However, Stark has his own agenda, and it remains to be seen if he'll prove to be a friend or a deadly new foe. 

Tanner agrees to go on a mission for the CIA.