Magnum is out for a morning jog when he is nearly hit by a truck, which moments later is involved in a fatal crash with a car. Meanwhile, T.C. has accidentally made a double booking of Higgins and two tourists, who both want to make flights that morning, and has to compromise by taking all three of them. But the tourist pair turn out to be armed and sky-jack the chopper, and force T.C. to fly to a nearby prison for the daring break-out of an inmate. From there they head to a rendezvous point on a small nearby island, but the damage inflicted on the helicopter during the break-out sees them crash-landing. With the Police short on leads, Thomas and Rick investigate, and the road accident that Thomas was witness to provides a key clue...