Sugar Sugar

S1 E5: Turner concludes that Billy's death was an accident, but Cormack suspects foul play. Cormack believes that Billy's death, the missing workers, and Isabel's murder could be connected. With all signs pointing to a cover-up of illegal labor practices, Cormack starts zeroing in on Steve. But after Cormack discovers Isabel's formal shoes out at Dalkeith, the case takes another turn towards a new suspect.