As a senior at Kodaline High, Arden Summers enjoys a low-key lifestyle until an unfamiliar girl catches his eye. Learning that the new student is Lux Madden, one of the most touted gymnasts in the country, he falls madly in love with her only to realize that she's holding onto many secrets. A mysterious acquaintance emerges, leaving him to question Lux's past. Three of them are involved. Two are deeply in love, but only one lives to remember.