His business suddenly comes under attack and suppression by powerful financial interests. Multiple forces set traps one after another, closing in at every turn, while even his personal safety is repeatedly threatened by hidden enemies. At this critical moment, a seemingly ordinary person dressed in plain clothes steps forward to help. Beneath an unremarkable appearance lies formidable strength beyond imagination. When they first meet, both are filled with suspicion and constantly test each other's limits. Eventually, they choose to stand side by side, confronting the conspiracies and surprise attacks that keep coming their way. Together, they uncover the hidden traitor, unravel the layers of deception, and break through their predicament. Through repeated trials where they face life and death together, a deep affection built on equal strength and mutual trust gradually blossoms between them.