When her own daughter falls for a young lieutenant, Rose has to take a stand against the locals who are out for revenge.

After receiving a book from Captain Dreyfuss, Rose makes a passionate stand for the people of Moybeg. Francis' adventure on the lough ends in trouble for the Hanlons. Barney continues to try and grab Emma's attention but will a new man in town get there first?

On Halloween the Coyne family finds out the cost of taking what isn't theirs when an outbreak of scarlet fever feels like the price to be paid for their choices.

As Rose prepares for the Christmas party, she struggles to understand why Dreyfuss has neglected her. Michael has a surprise for Rose.