Can you always trust a lifelong friend? When seven-year-old Grace meets her new classmate Jen at primary school, the two girls soon become friends. Their future lives take very different paths - Jen a high-flyer in the fashion world, and Grace married to Dan, a successful businessman. Grace and Dan later move to Anglesey with their identical twin sons, Michael and Gabriel, and Grace continues her friendship with Jen. Tragedy strikes Grace's family one New Year's Eve, with the suicide of one of their sons at the Menai Bridge. Dan determines to find out the truth and a complex web of secrets is gradually unravelled. He then seeks out his estranged younger brother Jack to assist in his search. Dan and Jack are from a gypsy traveller family and had been separated as children, then estranged again following an unsuccessful reunion some years later. Jack has also been highly successful in business and becomes a ruthless ally for Dan. As the truth behind the events of New Years' Eve finally emerges - who was to blame, how will Dan take revenge, and will Grace ever know what happened?
