At a college party, best friends Roy and Kelly make a pact to marry each other if they are still single at 30. As Kelly’s 30th birthday approaches, she learns Roy is getting married. Will she let him go or act on her long-hidden love?

At the party, amid the noise and crowd, Kelly searches for Roy, feeling a pang of jealousy. She steps outside for air and finds Roy. They talk, and Roy suggests their pact, making Kelly’s heart race.

Years later, on the eve of her 30th birthday, Kelly is excited to see Roy but learns he is engaged to Vanessa. Shocked, Kelly is asked to be the maid of honor, and she reluctantly agrees.

Kelly initially sabotages the wedding plans out of jealousy but soon feels guilty and helps set things right. On the wedding day, Kelly finds a hidden love letter from Roy. She rushes to the ceremony, confesses her love, and Roy chooses Kelly, realizing they were meant to be.