Adapted from the comic book series created by Mark Millar and Dave Gibbons, the film follows Eggsy (Taron Egerton), a young rebel from London, who is recruited to join a secret spy organization.

From then on, he is called up for selection and will be tutored by veteran agent, Galahad (Colin Firth), who wants to solve the mystery of the murder of a former colleague.Now what few people know. Many actors were at serious risk of dying during recording!

So, despite all the preparation, things don't always go as expected - In fact, they can go very wrong.

This is the case in the scene where the characters are trapped in a room full of water. The computer that controlled the water tanks crashed and a catastrophe almost occurred.
However, what really worked was the work of actor Colin Firth, who plays young Eggsy's mentor .
At 54 years old, Firth was not intimidated by the amount of action scenes. He shot about 80% of those scenes.
However, before filming began, the actor underwent a strict diet, worked out a lot and ran for at least three hours every day.