A teenage girl working with a search and rescue, Sona rides 4.4 meter bipedal robot (Mountain Crawler) in the park inside the demilitarized zone between North and South Korea. After long and hard searching, she rescues a lost girl in the mountain but she has to leave Mountain Crawler behind because its battery is depleted. Deserted in the winter woods, Mountain Crawler kills and intakes rabbits to prevent its battery from complete depletion so that it can protect its identity of the AI, which will be force-updated in case of rebooting. The incident was received with a shock by the manufacturing company. The company sends pilots’ psychiatrist to investigate the psyche of Sona and Mountain Crawler behind the accident. She finds out that the robot has a strong will to maintain its identity to keep the special relationship with its pilot, Sona.

Ex intelligence agent Ki-heon is tasked with safely transporting Seo Bok, the first ever human clone, who holds the secret of eternal life. Several forces try to take control of Seo Bok to serve their own agendas.

Alice is a thirty year old Filipino trans woman who flew to Korea to chase after her boyfriend who she discovers is now living with his new girlfriend. Joon is a twenty five year old Korean musician who is being pressured by his traditional parents to find a more stable job and girlfriend. At a bridge in the middle of Seoul, the two brokenhearted souls fatedly cross paths.

A man who works at a general facilities center watches a pharmacist in a pharmacy across from his store. The protagonist witnesses a suspicious man chasing a pharmacist after the pharmacist leaving the office, finds out that she is in danger and follows her, but is in a situation where he is misunderstood as a stalker.

Hanna, an adopted child suffering from a mental illness, awakens in Chuncheon, losing consciousness. She discovers an old missing person poster that looks just like her and begins to unravel the secrets of a case that happened 50 years ago. The events surrounding her past life's death resurface, and the performance of Jin-kyu, who desperately calls for his lost love, transcends the karma of life, making their reunion possible. However, this reunion leads to another dilemma for the two.