13th is the story of Ritesh, a successful venture capitalist who reconnects with his maverick IIT-JEE guru, Mohit Tyagi Sir, to help expand the latter's visionary educational institute.

Ojas, a 15-year-old, student of 9th grade chases her dream to be the Head Girl. This puts her in direct conflict with her desire to explore all things teenage. Will she pursue her Head Girl dream or find her voice through this journey?