DI Colette Cunningham is unflappable and an absolute force of nature, until she takes a call from the Garda in Dublin. The body of a young woman has been found and Colette is listed as the next of kin. She takes the next ferry to Dublin to identify the body of her missing daughter, Kate. With her life turned upside down, and grief consuming her every thought, Colette resolves to stay in Ireland to work for the Garda. Consumed by feelings she may have failed Kate in life, Colette is determined to do right by her now.