It's 1964 and Blackpool factory worker Barbara Parker sets off for London on a mission to reinvent herself and find her voice in the male-dominated world of the sitcom.

Barbara lands a dream role in a new TV comedy, but news from home on the eve of the show threatens to derail her opportunity, forcing her into an impossible decision.

Sophie and Clive's romance is the talk of the town, but a discovery threatens to bring down the whole show.

Sophie is banished to Blackpool to await her fate. Contrite, Clive decides to win her back.

The team reunite to record a triumphant last show, but there are surprises still in store for Sophie.