A case of mistaken identity results in unexpected romance when the most popular girl in high school and the biggest loser must come together to win over their crushes.

A 17 year old finds out that his girlfriend is dying, so he sets out to give her an entire life, in the last year she has left.

Jess and Hannah, who made a pact at 13 to have the perfect senior prom. Despite the impending changes that college will bring over the next four years, the two are committed to honoring their prom pact. But with only 24 hours left before the big event, everything falls apart when they break up with each of their dates. Jess and Hannah are left with one night to find new dates and live out their middle-school fantasies.