DI Colette Cunningham's no nonsense approach to policing has earned her the respect of her Merseyside Police colleagues. She seems unflappable, until she gets a call from the Garda in Dublin after the body of a young woman is discovered.
Follows DCI Joe Mottram, a star detective with the Metropolitan police who, after a personal tragedy, retreats to Capri in Italy with his daughter to stay with his Italian in-laws for the summer.