A heart-warming but yet funny story of a hi-school where boys and girls are merged to study in the same class for the first time. The differences between boys and girls bring such a big headache to the two teachers like Sompat and Kaysorn, so they try to teach the students many lessons of life and living.

A band travelling by ship becomes stranded on Mermaid Island, and the locals hunt them down to make their forest goddess happy.