Maniac

Two strangers are drawn to a mysterious pharmaceutical trial for a drug that they're assured will, with no complications or side-effects whatsoever, permanently solve all of their problems. Things do not go as planned.

Maniac is a 2018 drama sci-fi movie, starring Justin Theroux, Emma Stone, Jonah Hill. It holds an IMDb rating of 7.6/10 from 93,301 votes and runs 40m.