
Dr. Mark Sloan is chief of Internal Medicine at Community General Hospital -- and sometime consultant to the local police department. When he's drawn into a case, he combines sleuthing and medicine to solve the crime. That crime is usually one his detective son, Steve, is working on as a member of the local police department. Dr. Sloan's medical colleagues, including doctors Amanda Bentley, Jack Stewart and Jesse Travis, are also frequently drawn into his investigations.

Dr. Sloan searches for the killer of a dance studio owner to clear the name of his friend, a dancer who is the prime suspect.

Dr. Sloan attempts to locate the person responsible for murdering a woman who was attempting to blackmail her former college roommates.

Dr. Sloan is caught in a police vice raid when he investigates the murder of a prostitute whom he once treated for mysterious bruises.

When a gunman confesses to assassinating the city's mayor during a re-election campaign, Dr. Sloan becomes convinced the man is innocent.