The little African girl Asina is eagerly waiting for her new friend Karli. Karli is a young sailor from Rostock who has promised her a gift on his next arrival in Coccatuttibana. Karli keeps his promise and smuggles a stowaway onboard the “MS Wismar”. Kasimir, a snowman, finds shelter in a cooling chamber. Although the journey turns out to be turbulent, Karli and Kasimir manage to arrive in Africa in good health.