Zoey Miller, a super smart senior in high school and uninterested in romantic love, has her life turned upside down when Zack, the most popular boy in school, gets amnesia and mistakes Zoey for his girlfriend.
Two sisters go diving at a beautiful, remote location. One of the sisters is struck by a rock, leaving her trapped 28 meters below. With dangerously low levels of oxygen and cold temperatures, it is up to her sister to fight for her life.