If you are watching via HBO Max , Season 3 covers a cold case investigation.
While Strike hunts a killer targeting him, Robin’s personal life unravels as she discovers her fiancé Matthew cheated on her. Strike : Season 3 Episode 1
Tom Burke (Strike), Holliday Grainger (Robin), Andrew Brooke (Niall Brockbank), and Matt King (Whittaker). Option 2: Troubled Blood — Part 1 (HBO/U.S. Season 3) If you are watching via HBO Max ,