A young girl named Emilia gets superpowers from being bitten by her pet guinea pig, which come in handy when the herrings of the Baltic Sea rise up in rebellion to save the sea from pollution. The film is based on the book series “Emilia’s diaries” and more specifically on the book “Supermarsu saves the herrings”, written by Paula Noronen. The book in question was nominated for the Finlandia junior prize in 2009.
The educational material of the school cinema deals with superheroes, writing a diary, bullying at school, social relations in the class, the Baltic Sea and its species, and conservation. The learning material is aimed at primary schools and primary education.