Heart (2014)

A wealthy businessman, wanted for war crimes, becomes the target of a young, highly skilled assassin. Surprisingly, just half an hour after the attack, the assassin unexpectedly reunites with his baby sister, whom he hasn't seen in years. He discovers their mother is critically ill in a city hospital. Shortly after seeing his dying mother, the assassin learns his attack failed; the businessman is seriously wounded and fighting for his life in the same hospital. A second attempt takes an unforeseen turn.