A desperate man takes deadly jobs

Byeon Hyeok-jun, a jobless thirty-year-old in Seoul, is buried in debt and considering suicide when Spider Staffing Agency offers him part-time work at fifty to two hundred times minimum wage.

His missing father was also used by the agency

Over eight episodes, Hyeok-jun discovers his father disappeared twenty years ago after falling into massive debt and was also sent on jobs by Spider Staffing.

Spider Staffing sends workers to supernatural borders

Mr.S, who manages the agency, explains that worksites exist where the border between human and supernatural worlds is thinnest.Spider Staffing sends desperate workers as sacrificial lambs to maintain the division between the two worlds.

Yeon-joo is a monster from the other world

Yeon-joo was a factory girl in South Korea roughly forty years before the main events.

Her story echoes real Korean labor history

Yeon-joo's backstory ties to feminist labor organizing in South Korea.In nineteen seventy, activist Jeon Tae-il died by self-immolation protesting treatment of women garment workers.

Yeon-joo lures Hyeok-jun back to find his father

Despite promising his sister he would not return, Hyeok-jun is lured back by Yeon-joo, who shows him a door inside NeoCity Amusement Park that leads to the other world.

Opening the door will bring the apocalypse

Mr.S warns that Yeon-joo is using Hyeok-jun as a pawn to open the door between worlds.When he does, monsters will storm into our world bringing apocalypse.

Hyeok-jun chooses to open the door anyway

Hyeok-jun decides to open the door despite Mr.S's warning.He does not trust Mr.S, who gleefully sends desperate people to their deaths by labor.A storm of dark energy pulls Yeon-joo and Mr.S into its void.

He sees his father claimed by the other side

While the darkness has Hyeok-jun in its clutches, he sees and talks to his father.His dad is a shell of his former self, clutching meager money he hopes to give his family.

Ji-yoon pulls her brother back and closes the door

Before the darkness can fully claim Hyeok-jun, his sister Ji-yoon pulls him from the door's threshold. Together they close the door before more entities escape, stopping or at least halting the apocalypse.

Hyeok-jun's life improves but remains precarious

Hyeok-jun has paid off his debt using money from Spider Staffing but is back to part-time work.

He is offered Mr. S's job in a twist ending

Hyeok-jun receives a text from Spider Staffing and returns to the abandoned office.He is offered a new job as Mr.S's replacement.A pre-recorded voice message from Mr.

“will make different decisions and come to different conclusions than he did in the role”

The series ends with his choice unknown

News reports mention unexplained fires and otherworldly remains, implying long-term consequences from opening the door. Hyeok-jun opens his mouth to accept or reject the job, but the credits roll before we hear his answer.

A mysterious company may control everything

In a mid-credits scene, Ji-yoon receives a text about successful work recruitment from Kyung-il Group.This mysterious company owned both Yeon-joo's factory and the amusement park.Could they also be behind Spider Staffing?