Having hired Eric Catchpole as an apprentice, Lovejoy sets out to unravel the meaning of a Japanese firefly cage.As Lovejoy and Eric are in hot pursuit (on Eric's motorbike) of a lovely lady with something they want, they hit a pool of water in the road and give a drenching to Jane (Lady Felsham), who is busy unveiling a plaque. When, later, Lovejoy rings the doorbell at Felsham Hall, complex chemistry begins, and Jane is soon showing Lovejoy around her attic...

Amanda Peagram, a local landowner's daughter, is engaged to Roger Hall, and Lovejoy (on the instructions of Amanda's father) is furnishing a house with antiques for the couple. Unhappily, Amanda is not impressed, while Roger continues to play the field. At the wedding, Lovejoy overhears a row between Roger and Amanda's father and later finds Roger's body hidden in a suit of armour... but the body vanishes and nobody believes him. After the wedding, Roger is treated as a missing person. Lovejoy insists Roger is dead, but he can't produce the body - so he decides to investigate the murder and solve the mystery.

Lovejoy meets distant cousins from America, who are visiting England. As well as a female ghost, old Lord Wakering has treasures which once belonged to Sir Walter Raleigh, and both Lovejoy and Mary-John Lovejoy, his American cousin, want them. Some of Lord Wakering's things are stolen, and Lovejoy travels in hot pursuit to the Carolinas, where he is not made welcome. Charlotte has to fly over to get him out of trouble.

A robbery at the local museum seems to be connected with the death of a local forger, and Lovejoy goes on the trail of a hoard of Roman coins in the Isle of Man. Two Americans are also after the coins.

In Venice, Lovejoy gets a job working for Caterina and Lavinia, with a view to busting their scam, and meets a Scottish forger called 'Lucky' Luciano. Lovejoy and Lucky together unravel the mystery of the Island of Rats.

Lovejoy buys a Welsh dresser at Charlie Gimbert's auction, and hidden inside it he finds a rich Arab head-dress, festooned with gold ducats. Catesby, recently out of prison and the son of the dead man whose property was being sold at Gimbert's, says he was promised the dresser. Lovejoy sells it back to him, but without the head-dress. Catesby is soon looking for Lovejoy armed with an axe. He is in good company, as one of Her Majesty's Inland Revenue officers is also after Lovejoy.

Lovejoy sets out to help a young woman to trace a pair of Meissen figures which she sold to raise cash for a drug habit. When he comes across evidence of a double-cross by Charlie Gimbert, he decides to get even.

The wife and brother of a man killed with a fabulous pair of Regency duelling pistols engage Lovejoy to find them and thus bring about the downfall of the murderer. In the process, Lovejoy puts Jane's life at risk and challenges Dr La Grange to a duel.

Sam Wendell, an old forger, dies of a heart attack while being pursued by a mysterious priest, leaving behind one of his small forgeries. Sam had told his wife it was the key to a fortune, and the priest soon tries to break into the Wendell house. Lovejoy aims to unravel the puzzle, by way of helping Sam's widow (who's left with very little) to recover anything of value. Along the way, Lovejoy dresses up as a priest.

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.

Lovejoy travels to Venice to investigate the murder of a friend. The dead friend had bought a painting Lovejoy believed was a fake. In Venice, he is drawn into an ambitious art swindle, and identical twins Caterina and Lavinia are behind the scam.

At the beginning of series 2, Lovejoy has just come out of prison after serving a sentence for theft. He believes he was set up and returns to Suffolk hoping to find the villain and get even.

A mean landowner is reluctant to share an inheritance with his hard-up brother, who is a friend of Jane's. Then Lovejoy intervenes, as a favour to Jane, with a cunning plan which depends on a fake statue.

Lovejoy values the house contents of an elderly widow, an old friend of Jane's, who is burgled soon afterwards. Finding he is the local police's prime suspect, Lovejoy decides to work out for himself (with the help of Brian Nunn, a remarkable bin man) who was behind the burglary. Matters are complicated by Eric's 'bin diving' habit.

The manager of a heavy rock band wants to sell an ancient pre-Columbian solid gold statue, and it brings Inca black magic into East Anglia - including two murders. Lovejoy takes on the task of solving the mystery.

Lovejoy and Jane have the job of fitting out a smart new restaurant being opened by Major Linden Walker, an old army friend of Tinker's. With the help of a former prison officer (one he knew on the inside) Lovejoy delivers the goods, only to find he has been gulled. Linden and Tinker's cabaret act Crime and Punishment makes its first and last appearance.

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.

Tinker is thrilled when Madeline Gilbert, a retired film star, sends for the Lovejoy team, as he has an old crush on her. Madeline wants to sell some of her antiques and gives Lovejoy the job of arranging an auction, but before the big day can arrive there is a robbery at the house - one bearing a striking resemblance to a number of other country house raids in England and France. An international gang seems to be at work.

Lovejoy is in hot water for not paying the school fees of his teenage daughter, Vicky. Meanwhile (and much to Eric's disgust) another schoolgirl asks the firm to sell some erotic drawings for her. When Lovejoy sees the same girl being threatened by a man at the school, he decides there's more to the story than meets the eye. He also manages to vex Susan, his former wife, as they try to cope with their daughter's problems.

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.

Dealer Harry Catapodis has sold some fakes to Cassandra Lynch, a beautiful American widow Lovejoy knows. Caught out, Harry offers to buy the things back from Cassandra, but he admits he will then sell them on to someone else. With a Japanese business man and others, Lovejoy aims to get back at Harry - and to make some money and seduce Cassandra at the same time.

Dealer Harry Catapodis has sold some fakes to Cassandra Lynch, a beautiful American widow Lovejoy knows. Caught out, Harry offers to buy the things back from Cassandra, but he admits he will then sell them on to someone else. With a Japanese business man and others, Lovejoy aims to get back at Harry - and to make some money and seduce Cassandra at the same time.

As the third series begins, Lovejoy returns to Felsham after a long break in Spain, where he was trying (without marked success) to learn to paint. He quickly seeks out Tinker (who has joined a monastery), Jane, who has a new look, and Eric, now working as a security guard. Victoria Cavero, an old friend of Jane's, comes to stay, and Lovejoy loses no time in falling for her. Victoria wants to sell a South American gold ring, and the ring sets in motion strange events for Lovejoy and Jane, including safecracking, kidnapping, polo and betrayal.

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?