Hughie delves into his past, but finds that the halcyon days of childhood are not all they're cracked up to be. The successes of his junior detective operation with Big Bobby and Det were few and far between- but is there a connection between their oldest case and the shadowy outfit now moving narcotics through the idyllic town of Auchterladle? A certain Russian connection brings up a name from the Boys' past, in part two of the six-part Highland Laddie.