Lovejoy S04 E02 The Ring

"In the shady world of antiques, Lovejoy has a knack for finding the truth."

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...