Biriba is a lowly but talented drug dealer whose future is disrupted by the legalization of weed in Brazil. His best friend Salim wants him to become a bigger player in their current criminal enterprise, but his client Vini presents the possibility of becoming a legitimate businessman.

Biriba and Vini are officially in business but they still have a lot to learn about the product Joselo is supplying them. Salim shares big news with Biriba in a step towards reconciliation, while Piolho hatches a scheme to move up the ranks at the smoke hole.

Salim's marijuana sales are dwindling, and he can't meet the demands for higher payoffs from the local police. Biriba is confronted by a city inspector intent on putting him and Vini out of business unless they pay their fair share.

Mary Jane's Emporium begins to lose customers when a competitor opens a small dispensary next door and the gang hires a firm to help promote the company's image despite Biriba's reluctance.

Business is booming but the dispensary's supply is running low and Biriba needs to help Joselo through a crisis to get the supply back on track. Fernao finds out about Biriba's clash with the city inspector and leans on Vini to clean up the mess.

With the dispensary burned to the ground, Biriba and Vini suspect foul play from the mayor's office. Salim considers changing jobs but fears the repercussions he'd face by quitting, while Laura urges him to change his career path altogether.

Vini goes into business with his father and hopes to secure a big-time investor with a new way to sell marijuana. Salim is confronted about Piolho’s murder and Biriba goes back to selling weed to get back on his feet.

Biriba tries to find out how Paloma Haze is being sold on the street while Fernao forces Vini to partake in shady business practices to get their new business off the ground. Salim finds himself with a target on his head.

Biriba and Salim go to extreme measures to get their money from Vini and Fernao. The truth behind the dispensary fire finally comes to light as everything comes crashing down.