The movie begins with a chemical company spraying fertilizer on a golf course. However, the fertilizer contaminates the island's drinking water, causing people to turn into zombies after consuming it. The main character, Andrew, and his friends must navigate the chaos and find a cure. They discover that the fertilizer company is responsible and that the antidote can reverse the effects of the zombie virus.
As Andrew and his friends try to escape the island, they encounter various obstacles, including the military, who are killing both infected and uninfected people. The group manages to escape the island with the help of a kind stranger, but not before Patricia, one of the characters, is killed by a flamethrower.
In the end, Andrew and his friends make it to the city, but the zombie virus is about to spread, as a fish bites Patricia's zombie arm, which was thrown into the water. The movie ends with a sense of uncertainty and a potential sequel.
Here are the key facts from the text:
1. A video starts with a scenario where people turn into zombies when they drink water.
2. The movie "Brain Freeze" is about to be summarized.
3. The movie begins with friends from a chemical company spraying fertilizer on a golf course.
4. The fertilizer makes the grass on the golf course turn radioactive green.
5. The next day, a billionaire visits the golf course and is pleased with the results.
6. A scientist and his colleagues are working on the golf course when a few drops of fertilizer fall down a pipe leading to the island's drinking water pipelines.
7. A man drinks a glass of water and starts to feel bad, then turns into a zombie.
8. The zombie virus spreads rapidly, infecting many people on the island.
9. The protagonists, including Andrew, his sister, and others, try to survive and find a cure for the virus.
10. A police officer named Dyn tries to help but is chased by zombies.
11. The government orders the destruction of the bridge connecting the island to the city to prevent the virus from spreading.
12. The island is left without electricity after a bomb is thrown on the bridge.
13. Andrew's mother turns into a zombie after drinking contaminated water.
14. Andrew and his friends try to find a cure for the virus by investigating the source of the outbreak.
15. They discover that the fertilizer company is responsible for the outbreak and that the company's agents are trying to cover up the evidence.
16. The agents try to kill Andrew and his friends, but they manage to escape and find a safe place.
17. The agents throw the antidote on the floor, which cures the infected people in the house, but the girls mistakenly shoot each other.
18. Andrew records a video asking for help, which goes viral, and many soldiers arrive on the island.
19. However, the soldiers start killing everyone, regardless of whether they are infected or not.
20. Dyn tries to convince the soldiers that he is not a zombie, but they use a flamethrower to kill him and Patricia.
21. Andrew and his friends try to escape the island by swimming across the river.
22. The antidote takes effect, and the infected people return to normal.
23. A lady in a boat helps Andrew and his friends escape the island.
24. On the way to the city, Andrew throws Patricia's zombie arm into the water, which is then bitten by a fish, indicating that the zombie virus may spread throughout the city.