Seoul, South Korea, 1997. When the young but extremely anxious student Jin-seok, his parents and his successful older brother Yoo-seok move to a new home, mysterious and frightening events begin to happen around them, unexplained events that threaten to ruin their seemingly happy lives. Unable to understand what is happening, Jin-seok wonders if he is losing his mind.
With a genius-level IQ, Woo Young-woo learns to embrace her extraordinary self while forming a tight-knit community of friends and allies.
With little on her resume but full of passion, Park Yoonjo manages to get hired by a top company through an unbiased recruitment project. Proving her value at work is hard, but she powers through life with her old friend and colleague Ryu Jaemin, role model Goo Yijung, and best supporter Seo Donghoon.
