Denied a home by Kim Min-suk, Kang Sang-ung seeks refuge with his father. There, he receives a gift – a power that will challenge his conscience and strain his finances.

When crisis descends upon him, Sang-ung seeks aid from Park Jeong-ja, a decision that ultimately plunges him into further peril. Simultaneously, Jo Anna employs Min-suk as a lure, drawing him deeper into a dangerous game.

The understanding dawned on him: he was now a marked man. He sought out training with Byeon Ho-in and Bang Eun-mi, honing his skills in preparation for what lay ahead. Soon after, he reached out to Jeong-ja, seeking her assistance in confro…

A yearning for an ordinary existence gnawed at Sang-ung, and he contemplated offering his power to the Mundane Vanguard. But Ho-in intervened, striving to dissuade him from what he believed would be a grave error.

Having just evaded a perilous situation, Sang-ung, Ho-in, and Eun-mi are now subjected to the unsettling taunts of Jo Nathan. Their attention is soon drawn to a drug ring operating out of a nightclub, prompting them to begin an investigatio…

Having once again evaded a perilous predicament, Sang-ung found himself increasingly aware of the toll his unusual existence was taking on his ordinary life. Just then, Anna offered a proposition quite unlike any he had anticipated.

The bank scheme swiftly descends into danger, placing Sang-ung in direct conflict with Anna and Nathan. Yet, Nathan manages to draw him further into the trap by targeting what he holds most dear.

Driven by love, Sang-ung confronts the formidable Mundane Vanguard. Will he and his companions at last fulfill their destiny as heroes?