An unexpected invite to his estranged mother's surprise birthday party at a fancy Durham hotel gives DI Aector McAvoy and his wife Roisin a chance for a well-deserved holiday. Off-duty, and still recovering from his previous injuries, McAvoy is determined to take advantage of the all-expenses-paid break, despite the old grudges and thick tension between himself and his step-family. However, what should have been a relaxing, if awkward, getaway weekend...