An elderly woman's solitude is interrupted when a young man moves in next door.
A doctor on her last day before maternity leave is thrown into a world of chaos when a hidden threat emerges.
Amid an international crisis, a US diplomat contends with her high-profile job as ambassador to the UK and her strained marriage to a political star.
Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.
