A vulnerable young man is reported missing by his pub landlord boss. Syndicate 9 suspect Robin McKendrick may have been killed after a photo of him bound and gagged in a car boot appears online. However, the case takes an unusual turn when a body fou... (more)nd in a flooded quarry turns out to be a woman's corpse. Meanwhile, battle-scarred from their conflict last year, Scott and Bailey are determined to move forward with honesty. The pair find themselves in front of the promotion board and pass with flying colours, leaving Gill with the task of choosing who stays on as sergeant at the department.