Siv has become best friends with Cerisia. She loves her. Now Siv is going to sleep over for the first time. Siv and Cerisia are so excited, it will be such fun! Cerisia lives with her mum and dad, great grandmother, her big brother Elme, Pållan the dog and two guinea pigs.
But Siv wakes up in the middle of the night and discovers that Cerisia isn’t there. Siv goes to look for her.