Full titles read: "Our Latest Submarine - H.M.S. Odin... "the last word" in underwater craft, whose many wonders are jealously guarded secreted... launched."

Chatham, Kent.

Various shots show the HMS Odin, a huge submarine, being launched from a shipyard. It is housed inside a large shelter and comes sliding down a ramp into the water. Several shots of the submarine on the water with the Royal Naval Ensign and Union Jack flags flying. Two tugs escort the sub towards the sea.