When the passing of a local oil magnate stuns Aberdeen, trainee detective Davis Lindo is thrown in at the deep end and forced to navigate a city and force completely alien to him.

As the search for Isla gets under way, Lindo continues to investigate Clellan's cuddle. A surprise visitor to the station stuns the team, leading to a high-profile arrest.

As MacMillan and the team grill Shay, Lindo continues to investigate Clellan's passing, leading to a shocking discovery with potentially fatal consequences.