Zac is a teenage boy who decides to camp on Mako Island, unaware that three mermaids, Sirena, Nixie and Lyla, who are guardians of the island, are watching him. That night, when the full moon rises,...

　　故事以Franklin和Irene York这对爱人为中心，他们多年前发现了一个掩埋在自家后院下的舱体/密室，通过它可以去往一个陌生荒芜的星球。从此他们便小心守护着这个秘密，但当一个神秘的年轻男子进入他们的生活后，York一家平静的生活迅速被搅乱了，而他们自以为十分了解的神秘舱体/密室，比想象中要复杂得多。...

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