The Big Easy S01 E09 Love Doctor

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

When Anne's younger sister, Sophie, arrives in town for a quick visit, Remy takes them, Darlene, and Smiley out to a fund raiser at a local art gallery to save a local radio station where the star DJ, Cougan, is murdered. With everyone trapped inside the building by a sudden hurricane, Remy puts his detective skills into full force to find the killer in a building where nearly everyone, including Sophie, is a suspect as well as has ties to Cougan's sordid love life.