When the travelling circus comes to town, Maximiilian Mole meets Margaret Mouse, one of the acrobats, and it's love at first sight. Max is kind of clumsy so he doesn't believe that Margaret will even notice him, but unbeknownst to him, Margaret feels the same way. The circus manager does his best to keep them apart and Max almost gives up. But love is a mysterious thing and when a determined Max overcomes his shy nature and sails down a treacherous river, not even fate can keep them apart.