Pouya is an extremely talented student who’s preparing for a major international math competition. However, the loss of his only brother deals him a big blow. Down and disappointed, he makes friends with Afshin, a drug addict. That turns into a source of tension between Pouya and his parents. On the other hand, Fariborz, the villain of the story, is pushing for Pouya’s downfall because he thinks Pouya revealed his fraud at his father’s company and caused his dismissal. Fariborz decides to retaliate. He uses everything at his disposal to tarnish Pouya’s image, taking advantage of Afshin’s drug abuse.