Two detectives are dispatched to investigate the murder of a young girl on the outskirts of Dublin, but as the case of the missing children intensifies, both are forced to confront the darkness that lies in their past.

The fallout in a young chemistry teacher's life, after her one-night stand with a good-looking but dangerous ducker and diver. There is an instant, animalistic, spark of attraction before they become locked in a dance of mutual destruction. Only one can survive, but their actions will take a terrifying toll on all those around them. Written by BBC Two