Summary: Dramatised Navy Instructional film in which the Cox'n (a senior rating) of an unidentified Trafalgar Class nuclear-powered attack submarine takes a group of sailors through escape procedures and equipment, specifically the 'rush' and 'tower' methods, although the Deep Submergence Rescue Vessel (DSRV) is mentioned. Various methods of making distress signals and communicating with rescuers are discussed. The Navy's submarine escape training simulator is also shown and the submarine survival suit and its various features explained.