They called her Bad Luck. Only one girl ever stood by her- Rain. From sharing a piece of pie in the mud at 8, to fighting bullies at 12,to crying together at her mother's burial at 15, Rain was Ella's first sister,her first home. Now on her deathbed in Faith Hospital,Ella has one last Promise for her husband Alex - Find Rain and protect her the way you protected me. But who is Rain? And why did Ella keep her secret until her last laugh?