At the Museum of Natural History, there’s a subsidiary exhibit beast unveiled. Larry Daley, who manages the night exhibit where the exhibits agree vibrancy because of the Tablet of Ahkmenrah, is in act of the presentation. But behind the exhibits go awry, Larry finds himself in difficulty. He learns the Tablet is corroding suitably he does some research and learns that Cecil, the former museum guard, was at the site subsequent to the Tablet was discovered. He tells Larry they were warned if they surgically remove it could take hope the subside. Larry realizes it means the decline of the illusion. He talks to Ahkmenrah who says that he doesn’t know anything. Only his father the Pharaoh knows the Tablet’s secrets. He learns that the Pharaoh was sent to the London museum. So he convinces Dr. McPhee, the museum curator, to publication send him to London. He takes Ahkmenrah following him but some of the others tag along.