ITV See The Halcyon from the start! Episode 1 In wartime London, Lord Hamilton returns to the bustling and glamorous grand hotel just as a scandal threatens to engulf it. Episode 2 The hotel suffers the aftershocks of change. Lady Hamilton and Garland go to war - but this may be the least of his troubles. Episode 3 Following the fall of France, guests flood into the hotel - one of whom catches Lady Hamilton's eye.