Elsa only wanted to protect the ones she loves from the powers she possesses. Little did she know that her worst nightmare would soon come true the moment she realizes she is carrying Jack Frost's child. And what happens when a certain Nightmare King comes back to haunt Elsa and the baby? It's up to Jack to protect his family against Pitch Black's unexpected return.

Trapped in a kingdom of Isolation, Elsa was never accepted by the people in her kingdom. She never had a proper childhood. She never experienced love. After Elsa brought summer back to Arendelle everyone was happy, except for Elsa. She became sad and lonely seeing how everyone had someone except her. That is until she found a man by the ice. His name was Jack...