Dead Sexy (2001)

Kate McBain is a beautiful, fast-talking detective with ambition to burn. When four of Los Angeles' sexy, high-class hookers are found brutally murdered, Kate jumps hot on the trail of the vicious serial killer. Before she knows it, she's caught in a sticky web of seduction and intrigue. And when she meets a handsome man named Blue, their hot affair is a surprise development that could help her crack the case--or make her one of its victims.