A wealthy man's son and his caretaker share a deep bond despite their social differences. However, after an unfortunate incident, they drift apart, making the caretaker try to redeem himself. Darbaan is an adaption of a 1918 short story Khokababur Pratyabartan written by Nobel Prize winner Rabindra Nath Tagore. The screenplay is about the friendship between a boy and his caretaker who come from different steps on the social and economic ladder.