On the eve of her latest book launch, struggling romance author June Nelson gets struck in the head by a stop sign and finds herself transported back in time. When she wakes in her old bedroom, 17-year-old June is trying to survive the cutthroat world of high school as an awkward teenager. While revisiting her past, June reconnects with her former best friend, her first love, and her father, who died in her early 20s. As she tries to find a way back to the present, June learns just how important friendship and self-love are.