The vision reappears to Mimi and Zac, this time speaking to them. Weilan learns a new detail about the dragon legend that suggests Nerissa is alive.

Ondina is tasked with teaching young mermaids. Rita introduces Weilan, a Chinese mermaid, who will be staying with them. On the way to the Full Moon Ceremony, the girls encounter a water dragon.

Life is trouble-free on Mako Island – until Ondina meets Weilan, a mermaid from the Eastern pod. They immediately clash and Mimmi must act as peacemaker. But a greater threat to their peace has ...

This "H2O" sequel follows Zac, a boy who accidentally turns into a merman and threatens the existence of three young mermaids who guard Mako Island. This "H2O" sequel follows Zac, a boy who ...