Gemma's business is on the brink of collapse, and there's a real chance that she and her husband could lose everything they've worked so hard for. So when a stranger offers financial help, Gemma ignores the red flags and accepts out of desperation. The condition? Just companionship -- that's all the stranger wants. Surely a small price to pay to get her life back? But when things seem too good to be true, it's often because they are -- and soon Gemma finds herself being dragged so far into a twisted, dangerous world that she might never surface again?