Kittiphit Thamrongwinitchai

Captured international assassins are locked up inside a high-tech bunker known as the Killing Chamber. To break out of this concrete hell they must duel each other, fight deadly ninjas and battle against gangs of masked maniacs. And... if they survive this, they will have to confront Snakehead: the lethal, deranged top dog who will stop at nothing to kill 'em all!

It is 1911 when the birth of Aviation happens in Siam. Siam is the first country to start an aviation program in Asia. A program to train Thai pilots to fight in World War I by the side of the Allies, but after having several setbacks, will they prove to be qualified enough to go to war as not everyone in Siam believes in it?