Kirsty and Leon find the body of a young woman in a holdall on a rubbish dump. It is soon discovered that the body is that of Luisa Dias, a Venezuelan woman. The team learn that the night before she drowned. Her boyfriend Dominic Fisher and their son Paulo are nowhere to be found when Kirsty and Leo show up at the flat they shared but it looks like it is the place that she drowned at. The woman's brother, Roberto shows up at the flat and Leon has to break the news to him about his sister's death. When DI Manson manages to get hold of Fisher on the phone he admits to killing Luisa. After things take a dramatic turn, Kirsty and Leon end up spending the evening together.