The Phoenix Park Murders are one of the most famous assassinations in Irish history. On May 6th 1882 Lord Frederick Cavendish and Thomas Henry Burke were killed in brutal circumstances in the Phoenix Park. This episode follows the manhunt for the assassins.

While the police quickly identified the likely suspects, they had almost no evidence to make arrests.

This lead to a fascinating and relentless pursuit for evidence through Victorian Dublin, while the assassins prepared to carry out more attacks. The show concludes with the trials and one of the most notorious informers in Irish history.