官方剧情
In this world, people who cannot see colors are Mono's, limited to a life of gray-scale until they meet their destined Probe. Yeon Woo, a teenage Mono, experiences his first color rush when he meets Yoo Han, sparking a mutual infatuation.
第 1 季 共 8 集
播出时间：2020年12月31日
第 1 集 Episode 1
播出时间：2020年12月31日
Yeon Woo suffers from monochromacy. In his eyes, everything is in the shades of gray colors. On the first day at Sangsang High School, Yeon Woo gets to meet new classmates. One of them is Go Yoo Han who dreams of becoming a K-pop artist. When Yoo Han takes off his mask, Yeon Woo starts to see the colors.
第 2 集 Episode 2
播出时间：2021年1月1日
Yeon Woo thinks of his mother who is still missing. He also reminisces what his mother told him about her color rush experience when she first met Yeon Woo’s father. At school, Yoo Han tries to teach Yeon Woo about colors.
第 3 集 Episode 3
播出时间：2021年1月7日
Yeon Woo believes that meeting a probe will only lead both of them to tragedy. However, Yeon Woo can’t push Yoo Han away as he wants to experience more color rush. Meanwhile, Yi Rang goes on a trip for a while to cover a story.
第 4 集 Episode 4
播出时间：2021年1月8日
Yoo Han comes to Yeon Woo’s place to show him the night view in colors. Yeon Woo experiences decoloring for the first time after hanging out with Yoo Han more. Yeon Woo finally admits that he wants to keep Yoo Han close to him.
第 5 集 Episode 5
播出时间：2021年1月14日
Yeon Woo thinks Yoo Han is avoiding him as he warned him about the danger of mono. However, when Yeon Woo tries to accept reality, Yoo Han invites him to attend an art exhibition together. Yeon Woo opens up to Yoo Han more and talks about his missing mother to him.
第 6 集 Episode 6
播出时间：2021年1月15日
Yeon Woo’s obsession with Yoo Han grows bigger and bigger each day. He is afraid that Yoo Han might leave him and won’t be able to see colors again. He even purchases tools to kidnap Yoo Han, and Yi Rang worries about him.
第 7 集 Episode 7
播出时间：2021年1月21日
Yoo Han teaches Yeon Woo about the shades of brown and Yeon Woo teaches Yoo Han about the shades of grey. Meanwhile, Yeon Woo feels sorry for Yoo Han as he thought of kidnapping him out of his obsession with colors.
第 8 集 Episode 8
播出时间：2021年1月22日
Yeon Woo and Yoo Han run away from the hospital to see the ocean together. Yeon Woo realizes how much Yoo Han means to him as they look at the different colors in the ocean. However, Yeon Woo calls Yi Rang and finds out about Yoo Han’s family.
