Ji-won, who had cut ties with everyone, takes a job at a factory that provides lodging and meals. She finds her roommate Ju-hee, a girl who dances the Tango all the time, both burdensome and intriguing. Ji-won gets involved in Hyun-woo's accident and feels uneasy as she watches Ju-hee try to take all the responsibility herself.
| Actor | Role |
|---|---|
 Lee YeonJang Ji-won | Jang Ji-won |
 Kwon So-hyunShin Ju-hee | Shin Ju-hee |
 Park Han-solHan-byeol | Han-byeol |
 Park Seo-eunHyun-mi | Hyun-mi |
 Oh Kyung-jooHyun-woo | Hyun-woo |