Following (2016)

Jiri Mountain is completely off-limits due to police search operations. Jeong-ok, along with other tourists on a cultural tour of Jiri Mountain, escapes the attention of the police and enters Jiri Mountain on a remote road. Jae-won, who follows this kind of Jeong-ok. Jeong-ok and Jae-won chase after each other, going deeper and deeper into Jiri Mountain...