Elsa can't control her powers again. The great act of love that happened before is what melted the ice. There isn't much love going on anymore. Her and her sister, Anna are fighting all the time. Jack Frost is sent to teach her how to control her powers... And to love again.
He was Cryptic, he was mysterious, he was hard to figure out. He was everything she NEVER wanted. She was quiet, innocent, beautiful and unique. Everything he was looking to destroy.