Married couple Kat and Alfie Moon relocate from the London-based Walford to the remote Irish seaside town of Redwater in a quest to find Luke, Kat's long-lost son, who was given up for adopt... Read allMarried couple Kat and Alfie Moon relocate from the London-based Walford to the remote Irish seaside town of Redwater in a quest to find Luke, Kat's long-lost son, who was given up for adoption to a foster family 32 years ago.Married couple Kat and Alfie Moon relocate from the London-based Walford to the remote Irish seaside town of Redwater in a quest to find Luke, Kat's long-lost son, who was given up for adoption to a foster family 32 years ago.