All the kids bully Juozapas. He has a big bulge under his weird sweater: his heart. His refuge is an old manor house where he builds a secret bug hotel. When Rugile moves into town, she becomes his first friend. Together they find beauty even in cockroaches! Due to his ailing heart, Juozapas has never been to school, until now. And Boss, the leader of the bad boys’ gang, likes Rugile as much as bullying Juozapas. When the gang tries to destroy their bug shelter, Rugile and Juozapas have to fight – but can Juozapas’ heart cope with his bravery?