Yeon Jeong In is her mother's legal guardian, who has been lying unconscious in a hospital bed for the past ten years. She feels exhausted from it all and only has a caregiving robot to rely on for support. Meanwhile, the caregiving robot, Ho Joong, is conflicted over whom to save.

After losing her parents in a car accident as a child, Detective Kim Ji Woo trusts her instincts and abilities over artificial intelligence. Then, one day, Ji Woo gets a new partner who turns out to be an AI software that has been implanted into her brain. The AI calls himself Seo Nang, and Ji Woo must work with him to solve a murder case.

In a world covered in fine dust, people who receive an antibody vaccine at birth live 100 years old and are called Cs. Those who can't afford it live to be 30 years old and are called Ns. Yi Oh spends her entire life thinking she is a C but finds out that she never got the vaccine. So she becomes curious about the lives of Ns and especially about the only N at school, Joan.

An AI fortune telling service with a high accuracy rate called Manxin is revered by society as a deity. Sun Ho and Ka Ram each have their painful past. For different reasons, they set out to find the developer of the Manxin application. In the end, they come face-to-face with an unexpected reality.

Juno is a popular video game live streamer. One day, an old classmate appears in a live chatroom and reveals Juno's lies. When a new trauma-themed video game launches, Juno tries to use it as an opportunity to regain her fame and reputation. However, she is unable to overcome her past trauma and finds herself trapped in the virtual world.

Leonardo and Giselle are among thousands who use a virtual dating app called "Love Virtually." The two decide to use photos of themselves before having plastic surgery in the virtual world. Unfortunately, as they are about to share their first kiss, the system crashes.