Billionaire, software mogul, Adam Pi has everything in life with the exception of positive memories from High School. He begrudging goes to the 20th reunion and has such an amazing time he finds himself wondering If I knew then what I know now and offers the entire grad class one year's salary to come back and do one more month of the 12th grade.

Still hurting after their breakup, Tabby's stunned when she comes face to face with ex girlfriend Heidi at a friend's sleepover. Forced to spend the night together - can they put the past behind them? Or will they fall in love again?