Query: South Korean horror thriller films
Relevant documents:
A Tale of Two Sisters
Acacia (film)
Black House (film)
Arang (film)
Thirst (2009 film)
Someone Behind You
Bedevilled (2010 film)
Deranged (2012 film)
The Piper (film)
Office (2015 South Korean film)
Train to Busan
The Wailing (film)
The Mimic (2017 film)
Doctor (2013 film)
Alive (2020 film)
Peninsula (film)