Tommy sets off to North America, where the end of Prohibition brings new opportunities. But he faces new danger from an old adversary who is finally making his move.

As Ruby is rushed into hospital for urgent treatment for consumption, Tommy is more convinced than ever that his family has been cursed. He sets out on a journey to a gypsy camp to discover who is responsible and how his family might be saved. Ada takes charge of the situation, instructing Arthur to round up some new recruits and head to Liverpool to deliver a warning.