Seventeen-year-old Max Rogers has had a crush on his best friend, Lexie Duncan, since forever. From their childhood games as the unstoppable superheroes Strong Man and Cupcake Girl, to carefree days at the lake to the ups and downs of high school, the two are inseparable.
But after Max finally finds the perfect moment to kiss Lexie, she abruptly leaves for the summer with little explanation. Heartbroken, he begins searching for meaning in his life. And when she returns, facing her own demons, everything he once thought he knew about her has changed.
Will Max and Lexie realize how much they need each other, or will Max lose Cupcake Girl forever?