Lizzy was once an angel and a cupid of God. She committed a big taboo that she should never have done. Lucifer disguise himself as an angel and her fellow angels in heaven. Lizzy believed him for making two people that have the same gender to fall in love. At first, she didn't want to do it, but she was curious how it would turn out and shoot them with her cupid arrows. She succeeded within a month, those two souls became one. One day, she was called to meet God, she was punished, and lost her priveleges in heaven. He sent her to the human's world to correct her mistakes. She needs to make one and very important good deed for her able to go back to heaven or stay there and die as a mortal. It needs to be very acceptable in the eyes of God. She has to find it out by herself without anyone helping her. Will she able to correct her mistakes or she will break the rules again?