A rag, a bone, and a hank of hair

While in London, Lovejoy visits old friends Arthur and Colette Goldhorn, but finds Goldhorn's respected antique shop has been taken over by a wealthy German businessman. What's more, Arthur is dead, and Colette, an old flame of Lovejoy's, is living on the streets with her 15-year-old son. Lovejoy vows to avenge his friends, but crossing Herr Gluck turns out to be a dangerous game.