
A missing brother. Hide and seeks codes. A shocking truth for two different families and the struggle to save their families from someone who is already living inside their house.

The Jangsan Tiger, who mimics human voices to lure them close, encounters a family affected by the creature.

Man-ho is a pacemaker for Korean national marathon team. His purpose is to stay ahead of others until the 30km mark. But he gradually grows a desire to run for the victory.