033 is the code for the city of Kolkata. The story begins with a girl from Philadelphia named Mrinalini visiting Kolkata for the first time in her life. She meets the members of 033 as she expresses her desire to make a music video on one of their songs, entitled ``033``- an early band song that they have revived and earned fame for. But she has some secret agenda for herself. The band comprises of Arnab, Shom, Voodoo the drummer, Rudro the keyboardist, Ria, the female lead, and the old man Santiago with his guitar store `G Minor`, who happens to be the band`s patron. Slowly Mrinalini starts getting involved in the internal dynamics of the group - in their struggle to sustain their identity against all odds. She also finds out that the band members need to get out of the city to make their career. Kolkata is a city of displacement, of migration. Though it is never spelt out, the band also faces threat from within. Will 033 be able to keep the members within its boundaries?