1) Rosina Draghina, an Italian monster, gets lost from her friend Cossie while playing in the woods and ends up in Portugal.
2) Mr. Francisco, a gardener, finds Rosina and helps her get on a train back to Italy to search for Cossie at a school.
3) At the school, Rosina learns from her monster friend Juvenal that Cossie has left for England, missing his home. Juvenal and Rosina then travel together to England to search for Cossie.