Zac decides to look for the trident. Evie breaks up with Zac because he is keeping secrets. While preparing for the full moon they cover the windows with garbage bags which blocks the moonlight. Zac cannot keep fighting the moon much longer. Nixie pulls the window cover off the window. Zac swims to Mako and the Mermaids follow him. He opens the secret pool and grabs the trident he turns and sees the mermaids waiting for him. Lyla starts fighting him to get the trident off him. Because a mermaid touched the trident they are thrown out of the entrance. The next day Zac apologises to Cam and Evie. The mermaids decide to stop Zac once and for all.