After an argument with his parents, Namnhao disappears. Aud confronts a friend. Lookkaew and Archa grow closer as they set up their exhibit.

At Namnuea's request, Lookkaew tries to comfort a despondent Namnhao. Aud shifts his focus to another suspect. Professor Manita adopts a new strategy.

A shocking tragedy stirs up feelings of guilt and anger. Meanwhile, Aud takes his suspicions to Buppha, and Som weighs another offer from an admirer.