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.

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.

Mi-hyun and Ju-won watch the auditorium video and head to Jeongwon High, while Gye-do discovers Jun-hwa.

With Mi-hyun's question, Il-hwan reminisces about his past.

Jun-hwa attacks Hui-soo, and Bong-seok awakens his powers to save her.

The fight takes a new turn with the appearance of a new North Korean superbeing, Jae-seok.