The brave butterfly Sigurd can't fly, but that doesn't hold him back. He dreams of joining the great butterfly journey, and hides in a plant cart to make his dream come true. Together with the caterpillar Martin and the butterfly Jennifer, he embarks on an adventure that, among other things, offers difficult weather, people and three evil birds. At the same time, Sigurd is forced to face his own fears, embrace his uniqueness and triumph over adversity.