尼克频道热播剧《胜利之歌》(Victorious)和《爱卡莉》(iCarly)刚刚剧终不久，衍生剧《莎姆与小猫的新生活》(Sam & Cat)就开播了。这部情景喜剧围绕《爱卡莉》中Jennette McCurdy饰演的Sam和《胜利之歌》中Ariana Grande饰演的Cat两个女孩展开，两人在洛杉矶相遇，成为室友，并开始了做保姆赚钱的生意……
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, the boy comes into contact with the magic water of the Moon Pool. The following morning, Zac wakes up discovering he has become a merman with a fish-like tail and the ability to control and manipulate water. His new-found merman abilities will cause problems for the mermaids.
The three mermaids, curious about living on land, are transformed into humans while in the moon pool during a full moon, now having the ability to live like humans.
