The text below will contain spoiler be aware
visually there’s alot of similitude with Requiem for a dream, the way the scene are shot you always feels claustrophobic, rushed, stressed.
the movie is about a team of scientist (student? i dont remember) working on ai program // mapping human brain, at one point they can control rats very precisely. (the alpha rats send command to the other rats and they all to the same things, and if the alpha rats is killed, the rats react by attacking each other until another alpha rats is “found”
this is the first part of the movie, if this is not enough information i will add more, i just dont want to over spoil the movie if by chance that little part is enough.