Needing a break from Charlie, Lovejoy takes a job for a few days at a new antiques market in Norwich owned by a client of Jane's. He soon realizes the boss is a con-man and sets out to expose him. Along the way, he also tries to trap a second crook who is selling fake paintings.

Lovejoy finds a bundle of old love letters hidden in the back of an antique clock. He quickly falls for the owner, but are the letters genuine? Under the name of 'Captain Lovejoy', he sets out to find the answer.