Start-Up () is a South Korean television series starring Bae Suzy, Nam Joo-hyuk, Kim Seon-ho and Kang Han-na. The series revolves around a woman who has dreams of becoming an entrepreneur like Steve Jobs, and her love triangle between a man who is secretly her first love and another man who is pretending to be her first love. It aired on tvN from October 17 to December 6, 2020, every Saturday and Sunday at 21:00 (KST). It is available for streaming on Netflix. Synopsis Set in South Korea's fictional Silicon Valley called Sandbox, Start-Up tells the story of people in the world of startup companies. Seo Dal-mi (Bae Suzy) is a bright and ambitious young woman who dreams of becoming Korea's Steve Jobs. Dal-mi doesn't have a fancy background but she's passionate about her work. She has bright energy and is a person of great vitality, having experience in a wide range of part-time jobs. Nam Do-san (Nam Joo-hyuk), is the founder of Samsan Tech. A ‘math genius’, or genius savant, as a young boy, Do-san was once the pride of his family but became their shame now, as his business has been going down for the past two years. He finds out that Dal-mi mistakenly remembers him as a secret pen pal whom she thinks of as her first love, so he decides to work his way up in hopes of turning that misunderstanding into reality. Cast Main Bae Suzy as Seo Dal-mi Heo Jung-eun as young Seo Dal-mi She dreams of becoming Korea's Steve Jobs. She was born to a humble family and lives with her grandmother. However, she's also an adventurer who has a grand plan for herself. Her drive also came from being abandoned by her mother and sister at a young age. She also has experience in a wide range of part-time jobs and is a person of great vitality. Nam Joo-hyuk as Nam Do-san Kim Kang-hoon as young Nam Do-san Do-san is the founder of Samsan Tech. He was once the pride of his family as a math genius, but he is now shy and cannot even look people in the eye. After having had no business success in the past two years with his two programmer friends, he is almost ready to give up. Because of his name, Seo Dal-mi mistakenly believes him to be her ‘cool first love’ although they had never