Mehrabad follows the butterfly effect of a single man's actions on various people that he didn't even know of. Kia comes back to Iran after twelve years of being abroad and his problems begin right there at the airport when he realizes his ex-wife has filed a complaint against him and he cannot leave the country. Little does he know, he is going to get in an accident that same day in the city that will change his and so many others' lives forever. He tries to get the hang of the situation but in vain! Instead of taking responsibility for his actions, Kia decides to fix everybody's problems, which he is responsible for, in his own way! But will he be able to bear this heavy burden on his own? You have to see for yourself...