As a young boy Dipper and his Sister Mabel where sent to a place called Gravity Falls to their great uncle Stan to spend the summer. But they both soon realized a dark secret that has changed one life but ended the other. That was 3 years ago and finally the one living twin, Dipper has managed to escape, but at what cost. Meanwhile a boy by the name of Bill Cipher has just started his new life in Gravity falls where he got a new job and is just settling in. Then unexpectedly both their paths cross, one hiding a dark secret while the other bewildered by what he's found. This is the story of the cat and the Cipher