Titles read: "Father Thames' daughters. On board the 'Show Boat', where another kind of 'Show' is being held - younger London's latest in heat wear - (--- bathing suits)." (timecode obscured titles on vhs copy.)
Various shots of a fashion show taking place on board a boat on the River Thames. As the crew steer the boat on the upper deck, we see elegant people dining below and watching beautiful women parade by in the latest beachwear, including beach pyjamas, shorts and little halter neck tops. On the upper deck it looks a bit cold - all the spectators are in coats and hats.
Intertitle reads: "'Among those present' - guess these film folk..."
Unfortunately, this cataloguer cannot guess who any of the film folk in the next few shots are!