A year after the accidental death of their father, three drug-addicted brothers- Each suffering from depression- Meet for a train trip across India. Francis, the eldest, has organized it. The brothers argue, sulk, resent each other and fight. The youngest, Jack, estranged from his girlfriend, is attracted to one of the train's attendants. Peter has left his pregnant wife at home and he buys a Venomous snake. After a few days, Francis discloses their surprising and disconcerting destination. Amid foreign surroundings, can the brothers sort out their differences? A funeral, a meditation, a hilltop ritual and the Bengal Lancer figure in the reconciliation. Patricia Whitman lives in the United States along with her husband and three sons, Francis, Peter and Jack. All of a sudden she decides to re-locate to the foothills of the Himalayas in India. She does not return back even when her husband passes away. After their dad's funeral, the sons do not see each other for about a year. Then Francis invites them to India so that they can go and see their mother, who is now known as sister Patricia. Individually, the trio boards the Darjeeling limited train in Jodhpur, aided by Francis's assistant, Brendan, who has prepared detailed itineraries for their stay meticulously. At their first stop, they leave the train to get blessings at a Shiv Mandir, buy a snake, and Francis ends up getting an expensive shoe stolen. The snake gets lose and they are reprimanded by the train's guard and confined to their room, but not before Jack has an intimate sexual encounter with Rita, their Stewardess. They leave at the next stop to get blessings at the Gurdwara. Then their journey is interrupted when their train is accidentally shunted to an unknown railroad track. They do resume their journey and get into a physical altercation with each other, resulting in the guard asking them to leave at the next station, Dhelana and Brendan quits his job.