Quantum Leap: The Ghost and the Gumshoe

Sam Leaps back in time and finds himself in a cemetery where he sees Troian, a beautiful but grief-stricken young woman. On seeing Sam, the woman drags him into a mausoleum where he is confronted by the tomb of Julian Claridge. The woman then tells Sam she is Julian Claridge's widow. — Sam realises he has Leapt into the life of Dr. Timothy Mintz, a ghostbuster who has been sent to help Troian find out whether it is the voice of her drowned husband that keeps haunting her, or whether it is someone very much from the land of the living who is trying to drive Troian mad...