This sequel starts with Larry Daley played by Ben Stiller as a some kind of inventor/entrepreneur. He revisits his old work place the Museum of National History, and remembers the curse the brings the exhibits to life.
But bad news reached Daley that the old exhibits would be shipped and be replaced by newer technological pieces. He realizes that he may not see his friends again.
The fun starts when Jed [Owen Wilson] told Larry that Kahmunrah the Pharaoh of Egypt has awakened. And is bent on conquering the world. After hearing Jed’s words he decided that he will rescue his friends. That is where all the comedic chaos and mayhem starts.
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