Intruder

Contains two stories: Intruder and Engine Trouble.
In Intruder, Karen is home alone in a sparsely populated subdivision because her husband is away on a business trip. It is a new house, not yet having a security alarm installed. When getting ready for bed, she hears noises and discovers she has left her cell phone in the car...and that her home phone line has been cut. In addition, she recently lost her beloved dog to a heart ailment. The intruder breaks in, and she finds herself in an extremely perilous situation.
In Engine Trouble, Kitty Delaney has car trouble on a lonely stretch of road. She makes it to a service station only to find out that an escaped convict has killed the attendant. He takes her as a hostage.