Original sentence: The Charmer was a 1987 British television serial starring Nigel Havers as Ralph Ernest Gorse, a seducing conman and murderer, Rosemary Leach as Joan Plumleigh-Bruce, a widow he victimizes, and Bernard Hepton as Donald Stimpson, Plumleigh-Bruce's would-be beau, who vengefully pursues Gorse after he has conned her
Edited sentence: 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, a widow he victimizes, and Bernard Hepton as Donald Stimpson, Plumleigh-Bruce's would-be beau, who vengefully pursues Gorse after he has conned her