A high-profile "skin magazine" editor named Philip Royce is murdered and Michael helps his daughter Lauren investigate who killed him and why. The clues may be found in Royce's computer, but the file he was working on is password protected under the code name "Topaz". The plot thickens when a private investigator Royce hired calls Lauren to reveal the story, but the man is killed by a sniper. Lauren and Michael then follow the P.I.'s leads to Las Vegas in hopes of uncovering the meaning behind Topaz, but quickly come across more thugs who want them eliminated.