Nezzy arrives at the airport dreaming of moving to ‘Clean Island’, the cleanest place in the world. She will undergo a strange immigration process at the immigration hall, where she begins to tell the story of ‘4’ and a special pig to the examiner who tells her that she can only pass if she confesses her sins.
| Directing | Hwang Soo-ah | Director |
| Directing | Kim Ji-hye | Director |
| Writing | Kim Ji-hye | Writer |
