Franek had a very important errand today - he had to find his favourite blue socks with yellow snails. Unfortunately, when he opened the drawer, he only saw one, and the other was gone! Frank looked under the bed - nothing. He looked in the shoe - just a puff of dust. Finally, he heard a quiet giggle coming from the bathroom. Creeping up on tiptoe, he saw a piece of blue cloth sticking out from under the washing machine. Suddenly... the washing machine started bouncing, and out from underneath it flew a whole bunch of colourful socks having a ball! One had a cap of soap on her head, another was dancing in foam and the one in snails was leading the parade. Suddenly the socks looked at Frank and.... they were going to do something! But what? He didn't have time to see anymore, because at the same moment he heard his mum opening the bathroom door....