The footage is of a group of European men and women swimming in an open air pool. They are enjoying a variety of different games and also relaxing.
(00.00 to 01.34) Intertitle: 1939 Swimming Gala. Opening shot is of a raised Union Jack flag blowing in the wind. This is followed by a sequence of men diving, racing and swimming in the pool.
(01.34 to 02.05) Contestants trying to walk to the end of a beam above the pool, shots of men falling in played in reverse.
(02.05 to 02.42) Men competing to try knock each other off the beam with pillows, shot in slow-motion.
(02.42 to 3.50) The sequence starts with diving competitions. Men and women also compete in a game bobbing for things in the water, followed by apple bobbing competition. There are also close-ups of people drinking, playing, laughing, smoking etc.
(3.50 to 04.48) The sequence is of reversed footage of men diving followed by men playing a game in the water with a ball.