Howard finds himself caught between a bareknuckle fighter and an old colleague from the army when he accidentally exposes the fighter as a deserter. On a day at work in the police station, Emma becomes witness to how vitriolic the growing sentiment against O’Neil is and begins to doubt her own position., Howard accidentally exposes a bareknuckle fighter as an army deserter who has evaded capture for more than a decade. Meanwhile, Emma begins to doubt her views on the O’Neil case when Phil’s argument opens her eyes to how narrow-minded they have been, and Daniel is furious to discover Zara has instructed their nanny not to leave baby Joe alone with him., Howard finds himself caught between a bare-knuckle fighter and an old army colleague.