Alex Rider, a 14 schoolboy, leaves school at the end of the school day, still out of it from infiltrating a computer company turned bad.
"The Gentlemen" walks into the building disguised as a maintenance man to sabotage an elevator, in an effort to assassinate Michael J. Roscoe, a very rich and careful man.
Alex Rider gets sent to a school for troubled rich kids, disguised as Alex Friend, a rebellious son of Sir David Friend, a rich Billionaire, where he has to look for anything suspicious and get info off of the kids whose parents died of mysterious deaths.
Alex was caught spying around, so he escapes by skiing down a snowy mountain side in a bulletproof suit while escaping the 3 guys shooting at him on snowmobiles.
Alex follows a group of drug dealers back to their home, a boat on the sea, so Alex decides to get a huge crane from a nearby construction site and lift them out. This incident caused the MI6 to come and assign him a mission as commission for getting him out.
Alex and Sir David's daughter, Fiona Friend, ride on horses together, having a fun time, before they decide to cut through the train tunnel while a train was coming.