The Train is the story of Vishal Dixit, whose boring, ordinary life changes when he meets a beautiful woman, catapulting him into a world of romance, lust and temptation. Vishal Dixit (Emraan Hashmi), a regular middle class man, is settled in Bangkok with his wife, Anjali (Sayali Bhagat) and their 5 year old daughter, Nikki. Anjali and Vishal are trying to hold on to their deteriorating marriage which is already under tremendous pressure One ordinary day, on his way to work, Vishal meets Roma (Geeta Basra), a beautiful, captivating woman. The attraction between them is instantaneous. As Vishal gets to know her better, he realizes that she too is a loner, trapped in a loveless marriage. The attraction between them reaches a peak and at a point they decide to give in to an adulterous affair. As Anjali starts getting suspicious of Vishal's erratic behavior, his romance with Roma deepens. He is torn between the two loves of his life. Just when Vishal thought life could not get more complicated, he realizes that his secret liaison is known to someone, an unknown elusive enemy who is bent on using the knowledge to destroy all three lives. Vishal now realizes that the game will never end till he finds a permanent solution and that would be to eliminate the enemy.