Rizwan Khan, a Muslim from the Borivali section of Mumbai, suffers from Aspergers syndrome, a form of high-functioning autism that complicates socialization. The adult Rizwan marries a Hindu single mother, Mandira, in San Francisco. After 9/11, Rizwan is detained by authorities at LAX who mistake his disability for suspicious behavior.
Rahul & Anjali are best friends that fall into a romance triangle once Tina arrives. Rahul & Tina marry & have a child, which Tina names Anjali, but Tina dies in childbirth. Anjali, Rahul’s daughter, receives a series of letters written by mom prior to her death & the final letter describes her namesake. Anjali, Rahul’s daughter, tries to re-unite her father back with his college best friend.