Nina and Simon share fifteen years of cherished memories and tender childhood promises, poised on the brink of official love. That future collapses when a twenty-eight-year-old version of Simon inexplicably travels back through time, instructing his younger self to abandon Nina in favor of an opportunistic socialite named Sarah.
Enduring months of cold neglect and calculated snubs as Simon follows his future phantom's misguided guidance, Nina closes her heart and departs for art school abroad. By the time Simon discovers the temporal journal revealing Sarah orchestrated the timeline deceit, Nina has built an illustrious career beside a supportive partner.
