After being wrongly accused of murder, Ji Hyun Soo, a determined private investigator, sets out to clear his name and bring the real killer to justice. However, his quest for vindication leads him down a dangerous path, where he uncovers a major conspiracy that threatens to destroy everything he holds dear. With time running out, Hyun Soo seeks the help of Kim Hwa Jin, a tough and savvy prosecutor who has her own reasons for wanting to take down the culprits. Together, they race against the clock to unravel the web of lies and deceit that has ensnared Hyun Soo and bring the true criminals to justice. Will they succeed in their mission, or will they fall victim to the machinations of those who seek to silence them forever?