The wedding looms and there is an atmosphere of impending mayhem as everyone converges on the country house hotel for the reception. Humiliatingly, Martin is now a dogsbody at Harry's beck and call, and even has to take on the job of stand-in when the first choice for best man misses his flight. But he is pleasantly surprised when his schoolboy crush, the gorgeous Ally, is one of the wedding guests.

• Anil Gupta

• Alexander Armstrong
• Keeley Hawes
• Marc Warren