Man Trouble

Man Trouble is a 1992 romantic comedy starring Jack Nicholson and Ellen Barkin. It was directed by Bob Rafelson, and written by Carole Eastman, who together had been responsible for 1970s Five Easy Pieces.

Harry Bliss Nicholson runs a guard dog service and is going through counseling with his wife, Adele Lauren Tom. A serial killer is on the loose in Los Angeles, so when the apartment of classical singer Joan Spruance Barkin is ransacked and she starts receiving threatening phone messages, Joan moves into the Hollywood Hills home of her sister, Andy DAngelo.Joan doesnt feel safe there, either, because shes harassed by Andys exlovers. She hires a guard dog from Harrys company, and soon Harry is providing more than protection for the beautiful singer. ........

Source: Wikipedia