At Seoul Station after sunset, an old homeless man, one of the many, is seen as he gobbles up another. Soon, the streets around the area are covered with madmen. Hae-sun, a runaway teenager, breaks up with her boyfriend who forces her into prostitution. She leaves the shabby inn that they were staying at near the station and witnesses people being attacked. The attacked become attackers, increasing their numbers exponentially. The government declares a lock out of the entire area. The normal people run from the attackers, but without a place to run to.
The zombie horror animation, Seoul Station by the director, Yeon Sang-ho who has shown his keen eye for the society through the feature-length animation, The King of Pigs and The Fake is an outstanding piece with superb talent putting his subversive eyes into zombie horror genre successfully. It is the prequel of Train to Busan which is Yeon Sang-ho’s first feature film.