What would you do if your DNA linked you to a crime you didn't commit?Elvira has a heartbreaking secret. Tessa is more connected to the family she works for than she realizes. Kosta has more to hide than all of them. When this fractured family is brought together by a tragic death, they must travel to a tropical island to organise the funeral. They're about to discover they're not the only ones harboring explosive truths.A string of violent crimes follows them, and nobody can figure out the connection. When a member of this troubled family becomes the next victim, the suspicion grows. Key evidence suggests one of them is a serial killer. But how do you prove your innocence when everything is pointing to you?As the case blows wide open, Elvira, Tessa and Kosta are about to discover if blood really is thicker than water.