Guido and The investigation into the suicide of an olympic swimming hopeful escalates when those around the investigation begin to be killed off. Cameron deal with an armed robbery involved the son of a prominent QC. Eddie declares his love for Irene—but it may be too late. She has stepped into the path of a killer.

With Irena's condition uncertain, the search for the serial killer continues. Guido is forced to make a decision about his future with Sophie when Kostas gives him an ultimatum. Donna life is put on the line when she becomes involved in a hostage situation.