The best Kim Gab-soo’s thriller movies

Kyung-chul is a dangerous psychopath who kills for pleasure. He has committed infernal serial murders in diabolic ways that one cannot even imagine and his victims range from young women to even children. The police have chased him for a long time, but were unable to catch him. One day, Joo-yeon, daughter of a retired police chief becomes his prey and is found dead in a horrific state. Her fiance Soo-hyun, a top secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take bloody vengeance against the killer, even if it means that he must become a monster himself to get this monstrous and inhumane killer.

Amid a coup, a North Korean agent escapes south with the country's injured leader in an attempt to keep him alive and prevent a Korean war.

A vengeful refugee-turned-pirate steals nuclear materials to attack and obliterate the Koreas in a Nuclear Typhoon. A top South Korean naval officer is assigned the task to stop his plans and execute him.

This movie is a political/espionage thriller, based on a real kidnapping incident of Korean politician, Kim Dae-Jun.

Da-eun lives a happy life with her single father, a man who sacrificed everything in his life for her. She loved her father very dearly. However, their relationship is about to take an unexpected turn. Da-eun becomes suspicious that her father might be a monstrous kidnapper. Even though she wants to believe in his innocence, she finds herself searching for evidence to the contrary. What is her father's true identity? And how will she deal with the burden of discovery if her suspicions are confirmed at the end of her final pursuit of the truth?