After the Dipper Pines' and Bill Cipher's wedding, Dipper and Bill have been blessed with a beautiful demon human daughter named Diana Belle Pines-Cipher. She is the light of Bill and Dipper's life. But as the daughter of the greatest mystery hunter and the most powerful demon, Diana Belle wants to prove that she can be just as great as her parents! But will she be able to unlock mysteries that even Dipper, Mabel, or Bill couldn't figure out?

The one who causes death, Bill Cipher. The ones who bring life, Dipper. And one who keeps the peace between the two, Mabel. Life and death, exact opposites each one barely able to dominate the other. Some say their enemy's fighting for power, others say there friends staying out of each other's way. But just a few know the truth about Life and Death and it maybe time for others to learn as well about the relation Dipper Pines and Bill Cipher shared...