![Danger Close: The Battle of Long Tan](https://image.tmdb.org/t/p/w185/aB1rCWGMsM2mm1kBDleaPkqUCFo.jpg)
When an unknown toxic gas strikes Seoul in an unprecedented act of terror, Yong-nam has just met Eui-ju from college by chance at his mother’s birthday banquet. The city falls under sudden noxious gas attack and together, they must escape the panic-stricken city.