Jimin, who runs a hair salon alone in a recession, hears about Min-woo, who comes as a customer one day, and changes his sales strategy to hire a new employee. What are trade secrets?
| Actor | Role |
|---|---|
 Seung HaNot listed | Not listed |
 Kang Min-wooNot listed | Not listed |
 Min Do-yoonNot listed | Not listed |
 Hae IlNot listed | Not listed |
 So JeongNot listed | Not listed |