All In

Three bodies have been found in various casinos in Las Vegas. Cassie Hobbs and the team of "The Naturals" are once again forced to get involved in the investigation. But even with their unique profiling talents, the case seems too convoluted. Unlike other serial killers, this one uses different methods each time. The criminal leaves business cards in the form of tattoos with a set of numbers on the victims' wrists. It seems that there is some code hidden in them, and this is just one of the mysteries that "The Naturals" will have to solve. Meanwhile, Cassie faces her own secret, no less dangerous. For the first time in many years, a lead has emerged in her mother's case.