The four archangels in heaven - Michael, Gabriel, Raphael, and Uriel
Because of his greed for drink, he mistakenly pushed several newborn little angels down to the earth in a drunken state of mind.
In order to remedy the situation, the four decided to send Isiah, a junior angel who has "more of her, not more, less of her," to go down to earth to carry out this "special" mission.