The following "paper" summarizes the 2013 South Korean action thriller The Suspect
The film follows Ji Dong-chul (Gong Yoo), a former North Korean special forces operative who is betrayed by his own government. After witnessing the murder of his family, he defects to South Korea, living as an invisible driver and laborer. When a prominent CEO—who holds the secrets to the inter-Korean conspiracy—is murdered, Dong-chul becomes the prime suspect.
That's when the door exploded.
Gong Yoo (Ji Dong-cheol): The stoic, highly-skilled protagonist. Gong Yoo performed many of his own stunts for the role.
I will find you. I swear on my last breath.