The second series ended in euphoria, as Hardacre's secured their biggest ever account - the Cosmos X10 smartphone. Now there's a reality check, as the team realise how woefully ill-equipped they are to handle a client of this magnitude.

Accounts manager Amanda Barnes immediately sets to work hiring new staff, while agency chief and creative director Rupert Hardacre heads into Soho to secure new and grander premises.

Meanwhile, on the creative side, copywriter Joe Starling begins to doubt his ability to deliver work for an account this size, despite reassurance from his art director and best friend Teddy Beech, leading Joe to take drastic action.