Six college students meet at the final interview of a global IT company. Growing closer as they prepare for the group discussion, they dare to dream that all six might make it — until the day before the interview, when the company announces its verdict: only one will be hired. On the day of the interview, mysterious envelopes arrive, each containing one of their secrets — and suspicion begins to take hold. Who among the six is the liar?
| Actor | Role |
|---|---|
 Cho Yi-hyunMoon Hye-in | Moon Hye-in |
 Kim Jae-wonHan Jin-woo | Han Jin-woo |
 Shin Seung-hoBaek Seung-bin | Baek Seung-bin |
 Kang You-seokLee Hee-chan | Lee Hee-chan |
 Kwak Dong-yeonJeon Yo-han | Jeon Yo-han |
 Bae Gang-heeNot listed | Not listed |