Your first seat mate is a early twenty something young nervous man. His voice shakes and he pours out a aura of someone sinking into desperation. He tells you he has a drug, a horrible powerful drug and he wants to get rid of it. He asks you to make an offer. You ask him to show it to you. He pulls out a vial of mad3! You have forty bucks in wallet and you offer him twenty seven for it. He accepts on the spot. you exchange goods and he immediately gets up and finds a seat near the back of the bus like he don't want to risk you trying to make him take it back.
The man said he sampled a tiny tiny bit and freaked out for three days. He claims the butterfly tattoo made of tiny skulls on his arm formed itself while he was on it.
If this is the real thing you could sell it for around ten thousand smacks to the right buyer, and for a few hundred to the wrong buyer.
Or you could take it yourself and go on the ride of several lives....