The Big Easy S02 E06 Night Music

"He's the hot cop. She's the cool D.A. When they get together, New Orleans sizzles."

Remy becomes acquainted with a former police academy friend, named Tony, while investigating the murder of a high-stakes gambler shot by a sniper though his apartment window in which a local street musician, named Peter, finds himself the only witness to the crime and who also has a crush on the murder victim's fiancée, while Remy thinks that a gambler friend of the murder victim may be the next target.