In the Joseon Dynasty, two friends who grew up together — one the master and one the servant — reunite post-war as enemies on opposing sides.

As a grisly virus rampages a city, a lone man stays locked inside his apartment, digitally cut off from seeking help and desperate to find a way out.

Gon, a Korean hitman bred in the United States where he works for a Chinese triad, usually flawless in taking out his targets, makes a terrible mistake in fulfilling a…