Sunny Sanskari Ki Tulsi Kumari follows the story of Sunny Sanskari (Varun Dhawan) and Tulsi Kumari (Janhvi Kapoor) whose respective exes are planning to get married to each other. On hearing the news of their marriage Sunny and Tulsi meet enroute on the same flight and decide to meet their exes as a couple. What follows is a series of funny and dramatic moments to make them jealous and change their opinion of getting married.