Conor O'Shea has been given the opportunity to renovate and run the magnificent but rundown Castle Dysert as a five-star resort. With his family's future now entangled in a stunningly beautiful old castle on the coast of Clare, Conor undertakes a mammoth project, and in so doing, he uncovers the troubled past of this ancient stronghold. The mystery of the family who lived, loved, and lost their lives within the walls of the castle, and it is reflected in his own family as they too struggle to let go of the past.