Lee Hyukjae , one of the most powerful angel has been cast out from heaven because he commited a grave sin.
He secretly have a relationship with the son of the King of Hell.

And as a punishment , he trapped on earth without his power and with completely no remembrance of him being angel and totally forget about his beloved one.

Meanwhile , his lover Lee Donghae punished by his father and prison him for a thousands of years in the deepest level of hell.

After all those years , finally Donghae release from the prison and he determined to find his lover and make him as his eternal wife...