Yaariyan is a story of a group of college friends who face various challenges including love, friendship, and competition. The film explores their journey as they navigate through these obstacles and learn valuable life lessons.

After moving to Mumbai, three cousins face difficulties in their romantic relationships. Ladli uncovers her husband's past love story, leading to their divorce. Bajju experiences heartbreak while pursuing love. Shikhar, banned from bike racing, finds solace in his work and a friendship with a paraplegic girl. Shikhar's participation in a Dirt Bike Championship leads to a realization of his feelings for the girl, resulting in a heartwarming ending.