Two scientists are trying to find substantiation to prove that merpeople are real. The three manly leads, who are all mermen, are trying to figure out who the two scientists are and why they want to prove that merpeople are real, so they probe.
The main couple is Talay and Fahfon. There was a party on a yacht, and Fahfon fell into the water and Talay jumped in to save her. While aquatic he kissed her trying to breathe air into her mouth, but either way their lips touched causing a bright light kind ofreaction.However, the person they kiss will turn into a naiad, If a merman kisses someone on the lips. So Fahfon turns into a naiad and Talay is in charge of her by helping her understand further about merpeople and icing she does not expose their secret. Fahfon also finds out that since she was turned into a naiad, she only has a many months left until she turns into ocean froth.
The alternate couple is Payu and Pim/ Khaofang. Payu and Pim were suckers, he accidentally kissed her causing her to turn into a naiad. After some time Pim turned into ocean froth like she had failed dissipated. On the day of the yacht party, Payu spotted someone who looked exactly like Pim. That person turned out to be Khaofang. Payu wanted to get near to her and see if she was really Pim or not. Payu finds out that Khaofang is suffering from amnesia and tries to help her recapture her lost recollections, in expedients that she’s really Pim.
The third couple is Plangton and Ploysai. Out of the three manly leads, Plangton is the youthful. He owns a café, and he is popular among the girls. Ploysai happens to be one of those girls who has her eyes on Plangton. She’s aged than him and makes it enough egregious she likes him. Plangton on the other hand tries his stylish to not fall for her after Payu warns him. But nothing will stop Ploysai from making him fall for her.