It's February 2019. Nobody's ever heard of a coronavirus, Rupert is nowhere to be found, and his team seem to be coping well without him - especially Joe, who relishes the chance to be in charge and make new friends.

Series 3 ended with Hardacre's celebrating Christmas, and their own hugely successful campaign for Walton's department store.

Series 4 picks up two months later, in February 2019, with the agency - slightly to everyone's surprise - still doing rather well.

OK, no-one's seen creative director Rupert Hardacre since he opened up to Joe at Christmas, but other than that things are running remarkably smoothly. Between them, copywriter Joe, accounts manager Amanda, and art director Teddy are maintaining Hardacre's' reputation as something like a respectable advertising agency.

But as they soon discover, success comes at a price - and anonymity had its advantages. Once the eyes of the industry are on you, life starts to become a bit more complicated...