First and foremost, it literally gives users superpowers.
When Jefferson Pierce shows up at Garfield High one morning, he finds students clustered outside a bathroom.
Strangely, the superpowered side effect of Green Light is not addressed for the rest of the episode.

Credit: Carin Baer/The CW
Instead, Jefferson focuses on finding out where its coming from.
This leads him to an old childhood friend who goes by the name 2 Bits.
2 Bits has heard about Black Lightnings M.O.
Meanwhile, Bernard is still in trouble.
After recovering from his drug-fueled rampage, hes faced with expulsion from the prestigious charter school.
Just like he spared 2 Bits, Jefferson is determined to save Bernard from cruel and unusual punishment.
Its his way of paying forward what his own teachers did for him back in the day.
Unfortunately, the school board doesnt see it that way.
Jefferson isnt the only Pierce determined to do something about Freelands new drug problem.
While driving through the city, Anissa spots some of her students buying Green Light.
Its an interesting juxtaposition since the drug-given powers seem so similar to Anissas own strength.
Maybe that parallel will be explored more down the road.
(Recap continues on page 2)
Its getting harder and harder for Anissa to keep her powers secret.
in favor of investigating the scene himself.
But he doesnt find Anissa either.
That could make for a powerful parallel to the American history of racist lynching.
In the meantime, Tobias repays the doctor who gave him false information by savagely beating him to death.