There are references to drugs including marijuana and a newly developed hallucinogen.
At one point the police find a joint in the backpack of a young man they are searching for.
A pouch is shown, having been found in the backpack of a young man who was killed. His friend is questioned about the source of the marijuana, which may be laced with a hallucinogen.
A young man offers drugs to another young man to "try." Later the young man says "another for the road."
A missing man is said to be smart enough to engineer a new hallucinogen which he adds to marijuana and sells to high schoolers.