When greedy real estate tycoon, Liu Xuan, buys up a pristine coastal enclave known as Green Gulf, he plans to turn it into the hottest property on the market. But Green Gulf harbors a secret: it's home to the last surviving mermaids, and they are done playing nice. Their plan: send the beautiful Shan to seduce Liu and stop the destruction of their beloved oceans. But when their plan goes belly-up, neither humans nor mermaids are willing to back down, and a final, fatal frenzy becomes inevitable.