Korean Movie No Mercy 2010 -

: Director Kim Hyeong-jun explores the idea that empathy is required for forgiveness, and that the path of revenge is often easier but far more destructive. Graphic Realism

The plot sounds straightforward:

Here's a helpful summary:

No Mercy builds its first two acts like a traditional thriller. Director Kim Hyung-jun employs cold, clinical lighting in the autopsy rooms and frantic, hand-held chaos during the chase sequences. The forensic details are gruesomely realistic, and Sol Kyung-gu sells every ounce of a father’s desperation. korean movie no mercy 2010