Night Heat S03 E13 Comeback

"I feel the Night Heat, I feel your heart beat. Somethin' ain't right. There's too much heat in the night."

A lounge singer is seen arguing with his cousin over money. The cousin is later found murdered. Does the lounge singer have ties to the mafia? O'Brien and Giambone seek the cooperation of a frightened singer (Danny Aiello) blackmailed by the mob.