Saturday morning. A flat in Bromley. The smell of stale cigarettes and cheap gin fills the room. Bella and Wendy have done something terrible. Bella worries that Wendy has more planned. Detective Josie James is growing increasingly suspicious. But, as things soon begin to spiral out of everyone's control except, seemingly, Wendy's, it becomes apparent that the wheels are already in motion for something more harrowing than we could have ever imagined.
