Adapted by Ian McEwan from his bestselling novel, the drama centers on a young couple of drastically different backgrounds in the summer of 1962. Following the pair through their idyllic courtship, this movie explores sex and the societal pressure that can accompany physical intimacy, leading to an awkward and fateful wedding night.

In the shadow of the Cold War a letter from Oleg Penkovsky (Merab Ninidze) an agency of the Soviet Union received by MI6 stating the concern of Penkovsky about world safety and his anxiety about a nuclear war, So Emily Donovan (Rachel Brosnahan) a CIA Agent reached out to MI6 Agent Dickie Franks (Angus Wright) , who recruited British salesman Greville Wynne (Benedict Cumberbatch) to be their spy.