Jacka, a rabbit who admires heroes on TV, spends his days immersed in playing hero. However, there is one thing that sets him apart from everyone else... It's the large horn on his head, resembling a stag beetle.

One day, it is revealed that an unprecedented massive tornado is approaching the town where he lives. Jacka, who had been feeling down after going through several incidents, faces a crisis alongside his friends and the town's residents.