A successful stock broker on Wall Street is murdered in cold blood, and Andy the janitor is the first one to find his body. But when the simple man gets blood on his hands and accidentally incriminates himself, he turns to Mike Hammer to help him clear his good name. Hammer sees that Andy is innocent, but his attempt to find the real culprit is nearly foiled by a series of traps and pitfalls that evade the private eye's keen intuitions and continue...

After being released from his time in prison, Mike Hammer's old friend Herman Simpson joins him for dinner. The discussion turns techie when Simpson brings up the computer revolution that is underway. However, a bank robbery involving this same technology-- and a suspiciously similar criminal --takes place the same evening. Simpson becomes the prime suspect, and Hammer is his only hope at staying free.

An unexpected rendezvous between Maya and her globetrotting boyfriend Tony put Maya, Hammer, and his team in the middle of a case of international espionage. Maya is kidnapped, and Hammer must find her.

Mike's old friend Simon has been dead for some time. At least, that's what everybody thought. When Simon shows up alive and wanting revenge, he needs Mike's help tracking down the person that tried to kill him.

Deputy Mayor Barry Lawrence is not exactly friendly with Mike Hammer. But when his campaign to become District Attorney is tainted by allegations of murder, Hammer looks to solve the case and dig up dirt.

An operating room with dead nurses, doctors, and patient draws serious questions, but something doesn't smell quite right. The daughter of the patient, whose body odor was believed to be the source of the deadly fumes, brings the case to Mike along with some suspicious questions about the nature of the hospital's treatment plan for her father. Something's just not right, and Hammer is determined to find out what.

After failing to save a tobacco company scientist scheduled to testify in court, Mike Hammer decides to quit smoking. However, a clean lifestyle becomes harder than he thought when he follows up on his client's murder. The dead scientist leaves behind questions about the killer's motives, his work at the company, and the tobacco industry at large. Of course, the nicotine withdrawals don't seem to help.

Radio host Dr. Silvia runs an on-air love and relationship advice show for women. When Mike Hammer's girlfriend takes Dr. Silvia's advice to dump him, he makes an unscheduled guest appearance in her studio in order to give her a piece of his mind. With his new reputation as a macho bully, Mike Hammer becomes the prime suspect after she is suddenly murdered. Now, he and his team must prove his innocence by finding the real killer.

It's Devil's Night in New York, and this year's Halloween festivities prove especially deadly. Before their date, Mike Hammer's love interest is murdered in her own apartment. With his heart broken and his own life on the line, Hammer must track down the heinous murderer. With Hammer's friends being targeted, he discovers a pattern that points to a cultist killer that he had locked up before. Mike must solve the case quickly, or he could be next.

Hammer's on-again off-again flame is a Broadway star named Linda Fortunato, but her latest role is as primary suspect in the murder investigation of her ex-husband and co-star. The whole city is convinced of her guilt after the spatting couple was seen fighting during rehearsals, but Mike Hammer is determined to clear her name. Drama and mystery unfold while Hammer investigates a whole cast of suspects.