In the peaceful town of Woojin, a series of shocking murders upends life as the townspeople know it. Detective Oh Jin Seong (Na In Woo) quickly joins the case when his younger brother, Oh Jin Woo (Ren), is identified as the prime suspect. Determined to prove his brother’s innocence, Jin Seong works tirelessly to catch the real culprit and clear Jin Woo's name. However, as Jin Seong delves deeper, he uncovers disturbing family secrets. Will these revelations stop him, or will they fuel his relentless quest for justice? This 2023 South Korean mystery drama was directed by Han Chul Soo and Kim Yong Min.