Ted leads UCOS into the investigation of an apparent suicide of a city trader in the 1980s. The team delve into the dark world of the macho fraternity of the so called 'Wolfpack' however the team soon discover a world of debauchery, and secret all-nighters to bond the traders together. Is their tight bond worth killing for? Elsewhere Sasha returns to UCOS to find herself pushed out of her office by Ted.
