
Children who live in hiding with superpowers, along with their parents who live with painful secrets of the past, face enormous dangers together.

Ordinary high school student Bong-seok hides a secret.

Mi-hyun hides Bong-seok's superpowers, but the mysterious incidents on social media make her anxious.

The closer Bong-seok grows to Hui-soo, the more risk of exposure he draws

Bong-seok's secret is exposed and Hui-soo walks him home. Frank searches for his third target.

Hui-soo assures Bong-seok that his secret is safe by revealing her own secret.

Jeon Gye-do's past is revealed. The NIS finds out information about Frank.

Frank recalls his past as he eliminates his targets. After Frank's visit, Mi-hyun suppresses her son.

In 1994, Mi-hyun is ordered by Deputy Director Min Yong-jun to get close to and learn about the thought process of black ops agent Kim Doo-sik.

Doo-sik and Mi-hyun grow closer, and Doo-sik suggests that they deceive Min Yong-jun.

Ju-won, who leads his gang with his monstrous abilities, is betrayed and becomes a fugitive.
Created by: Park In-je, Kang Full
Available on: Disney+