Sohel, a drug dealer and Fazu, a bus conductor, are seem to be partner in crime. Sohel is banished from his town for a silly reason. Then they get involved with a team of robbers to heist a jewelry shop.

Because of the conflict between the robbers, Sohel ends up in Fazu’s town. Carefree Sohel and Fazu do lots of fun there. On the other hand, journalist Habibul Bashar discovers the involvement of Fazu in the robbery case.

Habibul Bashar uses a druggie from Fazu’s area as an informer named Pony. On this side, Sohel gets fully involved in drug business and other crimes. Fazu finds a hideout. Sohel sends his sister Mukti to his lawyer to solve the robbery case. To extend their crime circle, Sohel, Fazu and Duru make a team.

Bashar gets Fazu’s information but fails to catch’em. Then he informs a local leader about them. Leader sends police. Police traced their mobile and raid their hideout. Bashar finds out Duru’s involvement with Sohel & Fazu here.

Sohel escapes to his lawyer, but he refuses to take his case. Bashar interrogates Duru about Sohel-Fazu and pressurises her to speak out. Duru returns to his paternal house to seek shelter but finds out her brothers are planning to sell out the house.

Sohel-Fazu find their old crime partner Opu and team up again. Duru goes to court to meet her accused husband. To arrange the bail money, she seeks her brother’s help but gets rejected. Duru informs Sohel-Fazu about a big fish.

Fazu has become an insane druggie, but there’s a big mission ahead. Bashar kidnaps Duru’s son to frighten her. Sohel-Fazu-Duru-Opu want to change their life for good thorugh this final mission but where will end this Sinpaat?