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.

Abhijeet, Saurabh, Shruti and Garima coveted high-paying jobs, but face brutal bosses, romantic mishaps, and company layoffs. Their friendship crumbles as money, the force that united them, ultimately divides them.