Season 1

When news of the apocalypse spreads in Haeseong City, a cash-strapped and terminally ill young woman devises a kidnapping plot with two clumsy sidekicks.

Eun Chae-ni and her quirky friends Son Gyeong-hun and Kang Ro-bin are baffled by their sudden abilities. A wary Lee Un-jeong confronts his doubts.

The gang witnesses Un-jeong's superpower in a crisis. While they're thrilled after a daring rescue, Un-jeong senses danger nearby.

Dr. Ha Won-do returns after 20 years, chasing secrets of the Child of Eternity. Later, the gang faces an attack — still unsure of their powers.

Un-jeong leads a bootcamp for the gang to tap into their abilities. Chae-ni confronts her grandma about the superpower's secret.

Chae-ni wakes up to danger — but finds a surprise lifeline in her pocket. Un-jeong plans with Gyeong-hun and Ro-bin to rescue Chae-ni.

Un-jeong and the gang fight other superpowered followers, while Dr. Ha's risky plan targets Chae-ni.

New Year's Eve 1999. Three misfits use their abilities to battle superpowered villains in an all-out brawl for Haeseong City.