Motive - Season 3 Episode 3 -

The victim: Geoff Armstrong, a civic urban planner and a part-time scuba diving instructor. The killer: Robin Gould, an architect, who works for the high powered firm run by Isaac Griffin, who was up until two days ago also her fiancé as she called off the engagement due to what she told him were their diverging lives. The Homicide detectives, before learning of Geoff's death, have another homicide investigation... Robin's. Her blood splattered car is discovered in a remote area, no body to be found anywhere nearby. In their search for Robin and what they assume is ...