Ambassadors

S1 E5: Sam wakes in hospital and is visited by the bogus Doctor Goebel who tells Sam that he is trying to protect her from 'Hourglass'. Aiden exposed as the mole escapes from Byzantium and meets Sam. A meeting is arranged for Sam to meet Ballard at the National Portrait Gallery at a cryptic painting called 'Ambassadors'. Ballard reveals Hourglass is a conspiracy orchestrated by five multinational corporations and three of the seven members of the Byzantium board are CEOs of Hourglass corporations. Ballard is killed on leaving the gallery. Sam's investigation of the conspirators takes her and Aidan to a country estate where she had been years before where she was taken as a child after her mother was murdered and she was kidnapped. Byzantium, to protect Sam's cover, set up two innocent people and Jack Turner orders three more murders.