Las Vegas is flooded with college girl disappearances and bloody murders, as soon turns out using the MO of Seattle serial killer Jared Briscoe, arrested by Russels and Finlay when cops there, whose last appeal on death row recently was refused. It seems a copycat, with macabre extensions to his method, consisting in pre-staging CSI forensic research, using victim parts. Daniel Shaw, also ex-Seattle PD, now PI, offers to team up as his present partner Emily Barston is missing while they looked for a missing Vegas student girl, but is turned out she was killed herself while working on a trail pointing at Briscoe's twin, adopted by better parents and now an untouchable businessman. Russel stars doubting if Jared was the mastermind. 昨日倾城色,今夕迟暮颜。善终,足矣。证据,还是证据。经典怀念。Nick,U deserve it~。You only wanna dance。 Russell and Finlay must confront a serial killer case from their past while working in Seattle when a copycat killer suddenly emerges in Las Vegas.