While every step of his current situation is unfavourable and unpromising to him, Hyun-soo inevitably gets locked up in a correctional facility. Feeling scared and stranded, he tries to comply with the new rules and environment, but the reality is too harsh for an ordinary college student to handle. Meanwhile, although he has his own issues to attend to, Joong-han looks for evidence that might just prove Hyun-soo’s innocence.