My Sister's Keeper: Some of progressive state representative Davida Grayson's views have made her unpopular. Although her foes are numerous, no one suspects that any buttons Davida might push could evoke deadly force. But now Davida lies brutally murdered in her office, and Berkeley homicide detectives Will Barnes and Amanda Isis must unravel Davida's complex, before the killer pulls off a repeat performance. Music City Breakdown: Baker Southerby was a child prodigy performer. But something leads him to become a Nashville cop. His partner, Lamar Van Gundy, is a would-be studio bassist who earned himself a detective's badge. As part of Nashville PDs elite Murder Squad, they catch a homicide that's high-profile even for a city where musical celebrity is routine.