Seo Dong-ju (Park Hyung-sik), having survived a near-fatal attack, grapples with memory loss. As he slowly regains fragments of his past, he confronts the tragic death of his sister, Sister Agnes. Determined to uncover the truth behind his attempted murder and the missing 2 trillion won political slush fund, Dong-ju re-enters the Daesan Group's inner circle, setting the stage for a high-stakes battle against the corrupt forces that wronged him.