Qian Cheng, the boss of the pharmaceutical company, has invested in the establishment of a biopharmaceutical research laboratory located deep in the jungle. By modifying the shark gene to develop a new type of anti-cancer drug, but when the drug is about to be put into mass production, a huge crisis also came quietly: due to the change of the shark's gene, the gene mutation was fierce and showed the characteristics of other organisms.

A young man who has just finished handling the funeral of his parents attempts to purchase some fireworks for the 2023 Spring Festival, where fireworks are prohibited.