简介：当然，可以进行伪原创扩写。以下是一个扩展和改写的版本：
The film tells the whimsical adventures of three ancient Egyptian mummies who reside in a secret underground city hidden beneath the sands of Egypt. This trio consists of a regal princess, a former charioteer and his younger brother, along with their lovable pet baby crocodile. Through a series of unexpected twists and turns, these mummies find themselves transported to modern-day London. In this new and unfamiliar environment, they embark on a series of hilarious and chaotic escapades in search of an old ring that once belonged to the Royal Family of Egypt, which has mysteriously been stolen by the ambitious archaeologist Lord Carnaby.
这样，不仅保留了原故事的核心内容，还增加了一些细节和描述，使叙述更加生动有趣。