Shaina Mehra (Jacqueline Fernandez) is a psychiatrist living in Warsaw, Poland. Her father Brijesh Mehra (Saurabh Shukla) brings a marriage proposal and asks her to meet Himanshu Tyagi (Randeep Hooda). Himanshu and Shaina meet in a train, where Shaina reveals that she had an ex-boyfriend named Devi Lal Singh (Salman Khan) and talks about her crazy experiences with him.