Three escaped prisoners force the pilots' secretary Janet Culver to hand over the keys to an aircraft, knock her unconscious, and make their airborne escape. The prison warden arrives and fills Chuck and P.T., just back from a mission, in on the situation. They go after the prisoners while the warden awaits back at the office. Meanwhile, the convicts are forced to come back to the airfield because they are running low on gas! (thetvdb.com)