A vicious rape, a woman left traumatised. A previous victim is quickly identified. Then more come forward.
A serial rapist is attacking the women of Exeter in their beds at night.
There are fingerprints and DNA but no matches, CCTV but no identification.
With the press clamouring for answers DS Pete Gayle and his team must work through a maze of conflicting evidence to identify and arrest the offender before he can commit another brutal attack.