Ashley Wilkes travels around East Anglia painting charming pictures of country cottages and seducing their female inhabitants. An army officer hires Lovejoy to find Wilkes, on the pretext of having a commission for him, but Lovejoy smells a rat. When he finally catches up with the elusive painter, it appears that Wilkes has a terrible secret.

Jane's husband, Alexander, has a new business partner called Joe Gruder, but Lovejoy is suspicious of him. Jane gets a call from Lily Gruder, Joe's wife, who has a problem with some pearls and a pawnbroker, and Lovejoy decides to look into Joe's affairs. Mr Gruder does not come up smelling of roses.

Lovejoy is spending more and more time with Victoria, not so much on his business. Together with Jane and Alexander, he and Victoria go away for the weekend at a friend's cottage. Meanwhile, Lovejoy buys some drawings for a song and sells them to an art gallery for a good profit. He is shaken when the pictures are denounced as fakes - even the artist says they are not his, but Lovejoy is sure they are. What is going on?

Greg Veitch is on a visit from Australia, looking for antiques, but especially what he calls 'my Eureka' - the thing he must have. At Sir Max Spence's house, Greg sees a magnificent bronze from Benin, in Africa, and wants it, but he can't get an export license. Then the bronze goes missing, and Lovejoy comes under suspicion - so he feels he must get to the bottom of what's going on.

With the naive help of Jane, Lovejoy sets up an unusual form of dealers' ring to bump up the price of a painting he has entered in an auction. Three old friends (Matron, Gideon and Henry the Hearse) rally round, but nothing seems to go according to plan...

Jim Leonard (Lovejoy's antiques mentor) resurfaces, wanting Lovejoy's help with a harmless little scam to catch out a famous dealer. The plot centres on a fake painting by Klimt... Eric plays the role of a rich gentleman farmer, Tinker falls heavily for Jim's wife, and Jane is also drawn into the scheme, but Lovejoy finds out just too late that he too is a victim.

Lovejoy is threatened by a debt collector and hijacks a country house auction to pay his debts. In the process, he finds the lost 'Kakiemon Tiger', but he has to deal with competitors for it. Beth Taylor joins Lovejoy Antiques on a youth employment scheme, to learn the business.

A tough-talking business man hires Lovejoy to recover a sixteenth-century samurai sword which has been stolen from him. Another dealer, Lovejoy's mentor Jim Leonard, buys the sword at an auction, but it is promptly stolen from him by Joanna, the daughter of the original owner. Lovejoy stays on the trail.