The Special Criminal Investigation Team reunites and uncovers Ju-yeong's huge secret. Growing anxious over the provocative countdown sent by Dong-ju, Ju-yeong makes desperate moves. Who will have the last laugh?

With no way left to retreat, Dong-ju and the team launch their final all-out attack on Ju-yeong. Charging forward without hesitation, they soon face fierce counterattacks and unexpected obstacles. What will be their fate?