When the zoo was on the verge of bankruptcy, a very spiritual brown bear successfully escaped from prison and broke into a remote community. As a zoo keeper, Lin Sui was the first to bear the brunt and became the target of the brown bear. He was trapped in his home and had a thrilling confrontation with the brown bear. During this period, the director of the park who refused to listen to dissuasion, the neighbor mother and son who returned home by chance, the blindly confident poacher, the neighbor's husband who lost control of his emotions, etc. Were involved in the crisis one after another. Lin Sui struggled with fear and self-blame. She had to resist the crazy attack of the brown bear, but also had to deal with the suspicion and changes in people's hearts, and finally escaped with the timely arrival of the police.