Synopsis:
Cutter is desperate to make Lester realize how dangerous anomalies could become to humanity, but, infuriatingly, Lester remains optimistic that this problem will disappear just as quickly as it arrived. However, the arrival of a vicious sea creature (a Mosasaur) at a local swimming pool means bad news all around, particularly for a pair of young lifeguards flouting the heavy-petting ban. The young man becomes the Mosasaur's next meal while his girlfriend is charged with his murder. When the boy's regurgitated body is found in a nearby reservoir, Cutter realizes they've got another prehistoric killer on their hands. Meanwhile, a young mother who lives along Cutter's predicted line is putting on her washing in the basement when she notices a small leak, which quickly turns into a flood. When she sends a plumber down to investigate, she has no idea that a Cretaceous Era predator is lurking under the water, ready to pounce. The anomaly in the cellar expels the body of the lost diver, and there is a message tied to his corpse from Helen Cutter. Claudia's suspicions are suddenly confirmed: Helen is still alive. A furious confrontation with Cutter reveals his awareness of her existence. Now he must pay the price for his betrayal. Lester delivers the ultimatum - bring her back or you're out. Cutter reluctantly agrees and, for the first time in eight years, he comes face to face with his estranged wife, who seems to be quite happy living in the past.