A man suffering from alopecia copes with his lack of self-confidence and the societal pressure that comes with being bald.
In 2001, somewhere in rural India, two young brides get accidentally swapped on a train. In the ensuing chaos, they both encounter a host of colourful characters, resulting in hilarious and unexpected consequences.
Events in India's history — from the Emergency and the famous Cricket World Cup win to the Punjab riots — unfold from the perspective of an innocent Sikh man Laal Singh Chaddha, a person with a low IQ but high optimism. Laal is able to achieve everything under the sun but his childhood love continues to elude him.