Five years ago, introverted and awkward Ben avoided commitment and broke up with Nora, the woman he loved, on a rain-soaked graduation night. Five years later, he is a cynical star advertising copywriter. While leading the campaign for Re:Text, an app designed to reunite exes, he unexpectedly crosses paths with Nora, now an art director. One unguarded confession gives Ben the power to travel back in time: whenever he voices his truest feelings, his consciousness is thrown into his younger body, giving him another chance to rewrite their love story.
Determined to win Nora back, Ben uses his adult dating experience to keep interfering with the past, only to find himself fighting his earnest, timid younger self for control of the same body. Each clever fix makes things worse, triggering mismatched dates, apparent split personalities, a disastrous proposal, and other absurd calamities. The butterfly effect keeps rewriting both their memories and their present. Meanwhile, present-day Ben and Nora are forced into a ""fake dating"" contract. As they complete one couple's challenge after another, old feelings return - and the misunderstanding and secret behind their breakup slowly come to…
