A demolition squad searches for how the Germans are getting tanks across a river. An Italian boy leads them to a bridge under the surface of the water.
For young Parisian boy Antoine Doinel, life is one difficult situation after another. Surrounded by inconsiderate adults, including his neglectful parents, Antoine spends his days with his best friend, Rene, trying to plan for a better life.
This is a film comprised primarily from footage shot by the exploring team of Mr. and Mrs. William Phillips, nee Bill and Eve Phillips, a minor league version of the better-known Martin and Osa Johnson.