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In debt and out of options, Byeon Hyeok-jun accepts a suspicious convenience store job paying 50 times minimum wage — and quickly learns why.

Scared and confused after his last job, Hyeok-jun is now offered a new opportunity with one bizarre rule: Never lose sight of the clown.

Hyeok-jun swears off risky jobs — until a milk delivery gig pays 200 times minimum wage. This time, he's fully prepared for whatever comes his way.

After learning about Hyeok-jun's new job and the agency, his sister Ji-yoon's curiosity leads her to a night shift where her worst fears come to life.

Posing as another applicant, Hyeok-jun joins a clinical trial where an unexpected encounter with his friend turns the job into a rescue mission.

With more questions than answers, Hyeok-jun accepts a night-shift job at a construction site and uncovers the real horror behind the mysterious agency.

Warned that this final gig will be unlike any before it, Hyeok-jun joins a fairy-tale parade at a theme park where the answers he seeks await.

A nightmarish carnival brings everyone together as Hyeok-jun faces a life-changing decision. Can he finally quit his dead-end job for good?