A skilled lip reader inadvertently caught fragments of conversation, revealing a sinister plan—a plot to commit murder.

The man’s vanished wife was now of interest to dangerous people.

The patient, already weakened by injury, vanished without a trace.

Mannix found himself entered into a competition where tragedy struck; one of the drivers lost his life.

The deceased man, recently released from prison, carried the unmistakable mark of Mannix.

A crucial section of a lost manuscript contains the key to solving a murder.

The child of a physician was abducted, the perpetrators intending to leverage his connection to compel a reluctant surgeon to perform an operation.

To pursue a woman declared lost and presumed deceased presents an exceptionally challenging task.

Mannix uncovered fresh details concerning the embezzlement case of a man he’d previously secured a conviction against.

The dawn found him wounded and alone, his beloved vanished as if swallowed by the night.

From the helicopter, Mannix believed he witnessed a killing.

Mannix was summoned to give testimony concerning a former convict he’d helped put behind bars, yet a growing unease suggested he might be walking into a trap.

A familiar face reached out to Mannix, requesting his assistance; upon arriving in the man’s quiet, country town, however, Mannix found himself confronting a fresh and unsettling murder.

Reports suggesting the death of a prominent model are now being questioned, casting doubt on initial accounts.

The fervor of a political campaign intertwined with the sudden passing of a man known for petty crimes.

An attack upon his life propels Mannix into a complicated investigation.

A former adversary’s partner met with an untimely and unsettling end.

Peggy’s boyfriend disappeared, vanished without a trace.

Disgraced and stripped of his rank, a soldier harbored designs for retribution.

Millions are missing following a daring theft, and Scotland Yard’s pursuit of the funds has drawn fierce competition.

The disappearance of a construction worker has stirred up conflicting accounts and left investigators with a perplexing situation.

Authorities are investigating Peggy’s boyfriend as part of an ongoing drug investigation.

The daughter of a prominent newspaper publisher finds herself entangled in the circumstances surrounding a notorious gangster’s demise.

The impending demolition of a venerable boarding school has unearthed a perplexing mystery, centering around a death and a sum of two hundred fifty thousand pounds.

Mannix agreed to assist with the ongoing police inquiry.