The Game : Season 1

London 1972. When a defecting KGB officer, Arkady Malinov, reveals Operation Glass, a devastating Soviet plot that could change the course of the cold war, Daddy, the head of MI5, assembles a secret team to investigate. As the Soviets awaken a list of sleeper agents all over Britain, Daddy's team must move swiftly to gain information about the plot.

The next agent on the Soviet list, Tom Mallory, is a brutal man currently in prison for assault. Without his freedom, he can’t perform his task and bring MI5 one step closer to thwarting Operation Glass - leaving Daddy with a terrible choice. Joe, haunted by events in his past, continues to struggle with his lover’s killer’s role in the plot. But when it’s revealed that a possible nuclear strike is imminent, Joe makes a deadly decision to stop the information from falling into enemy

The team discovers a sleeper agent with connections in the US military. Faced with a foe who not only appears to be a traitor, but a trained spy with access to US bases, MI5 may be out of its league.

Discovering the KGB is one step ahead, Joe tries to convince the team to run a double agent scheme – a perilous game that understandably makes his colleagues uneasy. But with dangerous assassin Odin at large, the team is unsure KGB defector, Arkady, would risk his life to help them. Meanwhile, Alan grapples with a shocking discovery that could jeopardize his marriage to fellow agent and wife, Sarah. Bobby’s world begins to unravel when Daddy thwarts his attempts at ascendance and raises

The team cannot believe the news about the mole. Wendy gives the team a break. Alan makes a tough decision.

The team is reeling from a KGB bombing and the mole's confession, but with Operation Glass hurtling towards a shocking climax, M15 is running out of time to piece the puzzle together and avert disaster.Source: BBC America