Choi Kang-Soon works as an assistant manager at a company. She becomes a victim of a hidden camera. This inspires her to fight against injustice.

The story revolves around six childhood friends who gather for a retreat at a cabin, each contributing a small amount of money for food and a lottery ticket. When they win the lottery, tensions rise as greed takes over, leading to mysterious deaths and betrayals. As the group fights for the winning ticket, the situation escalates into violence, revealing darker sides of human nature.