Best Vichayut Limratanamongkol

To show gratitude to her adoptive father, Rin Rapee accepts to disguise herself as his real daughter and marry Saran, to keep the promise their fathers had made in the past. Saran is a cold-hearted guy who suffers from his previous love. Although he knows that Rin's adoptive family has deceived him, he does not wish to return his bride, since he gets to know her beauty and kindness. Love slowly grows. But soon their love is tested, when Duangsawad, his ex-lover, returns to him, while Rin also feels guilty with the secret she is hiding from him.

Two scientists are trying to find evidence to prove that mer-people are real. The three male leads, who are all mermen, are trying to figure out whom the two scientists are and why they want to prove that mer-people are real, so they investigate.

Pong meets an aggressive girl named Pik who he gets a crush on. However, Pik likes Book and wishes to play soccer with him. After eating cupcakes made by Pik, she and Pong switch bodies. Pik uses this as a chance to get close to Book as she can finally play soccer with him.