M Squad — Season 1, Episode 10: Diamond Hard

Episode synopsis

Lt. Frank Ballinger keeps an eye on Hazel, a bar girl with a record who nonetheless wants to go straight. He discovers she is involved with Joe Mazzerin, a safecracker. Ballinger goes undercover to get the goods on Mazzerin and to learn who his mysterious partner is.

About M Squad

Lt. Frank Ballinger is a no-nonsense plain clothes cop in the elite M Squad Division. The Squad's task is to root out organised crime and corruption in America's Second City, Chicago.

More episodes from Season 1

• E1The Golden Look
• E2The Watchdog
• E3Neighborhood Killer
• E4Pete Loves Mary
• E5Face of Evil
• E6Street of Fear
• E7The Matinee Trade
• E8The Hard Case
• E9Killer in Town
• E11The Alibi Witness
• E12The Specialists
• E13Family Portrait