The Charmer.

The Charmer was a 1987 British television serial set in the 1930s, and starring Nigel Havers as Ralph Ernest Gorse, a seducing conman and murderer, Rosemary Leach as Joan Plumleigh-Bruce, the smitten victim widow and Bernard Hepton as Donald Stimpson, Plumleigh-Bruce's would-be beau, who vengefully pursues Gorse after he has conned her. It was made by London Weekend Television for ITV, and based on the 1953 novel Mr. Stimpson and Mr. Gorse by Patrick Hamilton, the second work in the Gorse Trilogy. The series was repeated in February and March 1990. ITV3 also repeated the series in full at 01:45am from 5 September 2009. Narrative repeats were on Mondays from 7 September 2009 at 10:05am.