Steven universe the movie cockapoo oc included

A cockapoo named sadie had a wish and that wish was to have an owner you see all her life sadie never got adopted by anyone for some reason then one day sadie was walking on top of a hill in beach city then she saw a boy being attacked by a gem named spinel then after sadie helped steven she followed him home then the gems reformed but they had amnesia then spinel when reformed she was all kind and sweet but the thing sadie had to worry about was that spinel brought a weapon that could destroy the whole earth and everything on it now it's up to sadie and her new friends to save the world but what crazy adventure will this dog have with this boy and gem