S1:Start-Up

Summary: Seo Dal Mi’s dream is to start a successful business, so she enters a something called “Sandbox”. She meets Nam Do San, Han Ji Pyung, and her sister Won In Jae that had drifted apart from her because of their parents divorce. They came up with technologys people could invest in. There's a big misunderstanding in this though. How did Dal mi’s dad die? And many more about their pasts. How are they all connected?