Percy Everlynn and Kat Bardeen had everything. Fulfilled dreams, fame and even love. Two beautiful teenage singers are thrown into the lives of two others, Liam Payne and Niall Horan. It seems the stars have aligned when two couples are formed. But what happens when a tragic accident takes it all away? What happens when one forgets everything. What happens when another is in an indefinite coma? What happens when the will to survive is tested against the odds, or life against love?