You never forget your first love...or do you? From the moment five-year-old Kat met seven-year-old Sienna, she knew they were destined to be best friends forever. After a summer spent connected at the hip, a trauma in Sienna's home life separates the two. Twelve years later, their lives cross paths again, but the memory of their childhood friendship has long since faded. As the two teens get to know one another, they are struck by an unexplainable familiarity, and as their friendship deepens, something else also begins to blossom...