After the four original girls return, Mako Island gets turned around. Lying, stealing, love, losing, and mermaids/man. A beautiful tale of what might happen if Emma, Cleo, Bella, and Rikki return along with their beau's Will, Zane, Lewis, and Ash. Charlotte and Evie pair up, as Nixie, Cam, Sirena, David, Lyla, Zac, and the older characters team up.