My Fellow Citizens! (2019)

Yang Jung Kook, a seasoned conman, faces a personal crisis when his girlfriend disappears with their marriage funds. Distraught, he crosses paths with Kim Mi Young, who's also dealing with her boyfriend's infidelity. They bond over their shared struggles and begin a romantic relationship. On their wedding day, Kim Mi Young reveals her true identity as a detective. Meanwhile, Park Hoo Ja, who inherited a private loan business from her swindled father, blackmails Yang Jung Kook into running for a national assembly seat. (Source: MyDramaList)