The drama follows the intertwining paths of two Glasgow gangsters, once friends but now the heads of rival crews in Glasgow's gritty crime underworld. Veteran criminal Mick Turner discovers that his plans for a lucrative retirement have been scuppered by one of his own crew, while retired gangster Tommy Granger’s past is dug up when an old crew member comes knocking for money on the anniversary of the murder of Tommy’s son.

The mother of a terminally ill daughter Is torn between granting her a final unimaginable 18th birthday request, or holding onto her only child for as long as she physically can.