Supernatural. Locked inside another. .

Kelly and Kaida Kline are both innocent women that get up in the deadly world of Supernatural as they both made a terrible mistake sleeping with the Devil, and his brother, Archangel Michael. They both have children. Jack Kline, the son of Lucifer and the first Nephilim, and his cousin Alexandra Kline the daughter of the Archangel Michael and the first Nephalem a (half angel and demon in existence. ) Two kids born to the most powerful Archangels - Michael and Lucifer.