MLS of submarine. MLS of sailor on deck between two rows of depth charges. Shot of sailors on deck, depth charge explosions in background. MS PAN around torpedoed corvette. PAN along side of ship. CU of hole made by torpedo in side of corvette. MS of sailors with life preservers in water tugging on rope. Shot of "VILLE DE QUÉBEC" name on side of corvette, depth charge in foreground. HAS of bow of corvette, another corvette in background. HAS of lifeboat being lowered, sea rushing beneath. HALS of lifeboat, sailors pushing it out on pulleys. HAS of lifeboat dangling on ropes, foamy sea beneath. MCS of sailors pulling it in to deck. Shots of boats following camera boat.