A case, a pair of eyes, outlines the grudges and entanglements of four people. Even though it is calm on the surface, it is already turbulent underneath. It is like a gambling game between four people, each with their own hidden agenda and speculating on the trump cards of others.
After all, there are winners and losers in the bet. In this huge gamble of life and death, LINA was the first to get out of the game, so who will be next, and who will be the winner with the last laugh?