Mystery writer Marty Stillwater finds his life and family threatened by a psychotic killer professing to be the real Marty Stillwater who embarks on a campaign to eliminate Marty and claim his family.

"Well-used to elevated emotions, psychologist Alex Delaware shrugs off a joking death threat from beautiful Beverly Hills physician Constance Sykes, whose attempt to secure legal custody of her baby niece is thwarted by Alex's forthright report to the court. Alex plays down the threat until LAPD's Milo Sturgis rushes to his side with the shocking word on the street that a hit's been taken out on him. But while Alex may be in grave danger, it won't...