Nine Puzzles – Episode 4

Yoon E-na inches closer to the truth behind the chilling string of murders, but the deeper she digs, the more tangled the connections become. As she uncovers a clue linking the present case to her uncle’s death, Detective Han-saem begins to question whether E-na is hiding more than she’s revealing. Tensions rise, trust wavers, and a shocking revelation threatens to shatter their fragile alliance.