Reba McEntire and her boyfriend Rex Linn will both star in a new Lifetime movie called The Hammer. Reba's former Reba co-star, Melissa Peterman, will play her onscreen sister. The movie will start filming this summer. Reba will play Kim Wheeler, a Nevada district judge who travels between Las Vegas and Reno. Melissa's character runs a local brothel and becomes a murder suspect. Rex plays a mysterious cowboy named Bart Crawford.