When Greek detective Helen Moustakas is approached by New Zealand farmer Shirley Rangi, who claims to be her half-sister, she is reluctant to believe her, but agrees to a DNA test. Helen is called to investigate the death of an archaeologist - a mystery which Shirley proves unexpectedly, although accidentally, helpful in solving.

Greek Detective Helen Moustakas and her half-sister, Kiwi farmer Shirley Rangi, get involved in the investigation of a British TV chef's sudden death. Both Helen's mother Alexa and her daughter Thalia, are big fans of her show. Little does Helen know that this admiration eventually will put Thalia in great danger, and she and Shirley will need to work together to solve the crime and save Thalia.

Greek Detective Helen Moustakas is called to the island of Aegina with her half-sister the Kiwi farmer, Shirley Rangi, to investigate the suspicious death of a local taverna owner. As the duo dig deeper into the crime, they uncover a web of dark secrets within the deceased's family, which they must unravel before his murderer escapes.

Greek Detective Helen Moustakas finally takes a holiday on the island of Aegina, with her daughter Thalia and her half-sister Shirley Rangi, only to be caught up in the bizarre death of a local heartthrob at the residence of a titled English widow. While Helen interviews the suspects, Thalia and Shirley wait for her, putting themselves in great danger.

Greek Detective Helen Moustakas follows her half-sister Shirley Rangi to Cyprus believing they have a lead on their missing father. However, their work colleague George has a more pressing matter, his Cypriot cousin has been accused of murder. Helen and Shirley help to solve the baffling death of a sports promoter, and in doing so, get closer to finding their Dad.