Guarda Streamingcommunity. William Conrad stars as a retired L.A.P.D. detective who has moved to Hawaii and taken a job as a college security chief and assistant football coach in this pilot to a post-"Cannon" series to have been called "Battles." With the aid of his niece, the school's star football player, a local tough-turned-college student, and the college dean, he investigates two related murders that occurred nearly 40 years apart.