Ep 1. Legacy: Episode 1

After the untimely death of a former Russian spy, Section 20 is tasked with retrieving a file from her safe before it falls into the wrong hands. However, when they arrive at her apartment, they find it has already been ransacked, and the file is missing.

Their investigation leads them to Beirut, where they believe the file may have been sold to a wealthy businessman with ties to a known terrorist group. The team splits up to gather information, with Stonebridge and Martinez posing as potential buyers for the file, while Scott and Richmond track down a contact who may have information on the seller's whereabouts.

As Stonebridge and Martinez navigate their way through the seedy underbelly of Beirut, they encounter several dangerous obstacles, including an attempt on their lives by the seller himself. Meanwhile, Scott and Richmond's investigation leads them to a high-profile casino, where they must try to blend in with the wealthy patrons in order to get close to their contact.

As the team begins to unravel the complex web of deceit surrounding the stolen file, they soon realize that their mission may be even more dangerous than they thought. With each new twist and turn, they must rely on their training, their instincts, and each other to stay alive and complete their mission.

"Strike Back" season 4 episode 1, titled "Legacy: Episode 1," sets the stage for another action-packed season of the hit espionage thriller. With its intricate plot, high-stakes action, and compelling characters, viewers are sure to be on the edge of their seats as they follow the adventures of Section 20 in their latest mission.