Liam is a brash young man with a big ego. In order to pick up girls, he attends a sex addicts' meeting where he meets Ella. She intrigues him and proves herself to be a worthy contender. However, she isn't quite as she seems and soon discovers his true motives. She has her own plans: plans that will make Liam see the error of his ways.

Following a traumatic incident, Lily, a socially-aware writer, attempts to restart her life by touring the country with her friend, Zara. After accepting a free boat tour on the "Lady-Jane" through England's canals, the pair begin to realise that there are evils lurking beneath the water that are far more ancient and powerful than they could have ever imagined.