The main story is about some people who, for personal gain, put a researched variant of the wireworm into the water of a tourist attraction, so that after people are parasitized by the wireworm, they come up with pre-developed drugs to make money.
The protagonist's family ties up the main thread throughout the movie, with the protagonist's cop brother discovering the bad guy's plan; the protagonist's brother's doctor girlfriend saving the protagonist at a crucial moment; and the protagonist's wife, who is the parasitized person, sticking it out until the end.
The most touching part of this movie is the final reunion of the protagonist's family, which is warm and beautiful. The most helpless thing is that the protagonist missed the chance to get the medicine again and again, but the good thing is that the protagonist finally got the raw material for the medicine and saved everyone.
People who want to know about the drama of interest in advance are welcome to leave a message in the comments section.