Jack is honored as one of L.A.'s most eligible bachelors, but the honorees are being killed one after the other with vampire-like symptoms. Mark must solve the string of murders before Jack becomes the next victim.
A television show is being filmed at the hospital and Mark keeps interrupting the filming due to their inaccuracies. When the lead actor is murdered, Mark investigates everyone as the actor was unpopular among the cast.
When a good friend apparently commits suicide, Mark investigates a series of suicides associated with the Perfect Couple dating service. To aid in the investigation, Jack joins the dating service as an eligible bachelor.
Paroled murderer Eddie Gault takes a low-paying job at Community General to get close to Mark and plot his revenge against Steve for putting him in prison. Steve tries to stop Eddie and gets in trouble for harassing him without evidence.
A woman is swimming in the ocean. Two lifeguards are on duty, but one is sleeping. When the woman is found dead by drowning, the sleeping lifeguard is accused. His aunt, IRS Agent Gretchen McCord, helps Mark with the investigation.
Steve is taking a course from a shy lawyer, Arnold Baskin, who is almost run over right after class. Agnes, a paralegal at his firm is also taking the class and picks him up off the ground.