Layar-21 – The overnight story of Competition, Love and Friendship of innocent men. At a high school in Hua hin, Nam (Ngern Anupart) is a talented swimmer, but he barely practices. A hot and handsome young man whit an athletic body, Nam likes to party and has a lot of girlfriends. Everyone is jealous of him and everyone knows that he watches porn every day as if it’s his sleeping pill. His father, swimming coach Neung (Two Noppon), found out one secret about Nam and they haven’t been getting along well ever since. Enter Nine (New Assavapat), a bright student who is about to take an exam of Armed Forces Academies Preparatory School, but doesn’t know how to swim. He asks Nam to teach him and in exchange he’ll be doing Nam’s homework and tutor him. However, Nine wants something more than just swimming lessons… Then one day Muek (Beam Prapangkorn), a young swimmer who was forced by his father to come to Hua hin for 3 months, becomes Nam’s new roommate. But Nam doesn’t want to watch porn anymore after his arrival …They have to live, sleep, eat, practice together… Meanwhile Muek’s girlfriend, Nune ( Book Olive), a rising actress, wants to surprise him at the dorm and, to her delight, Nam allows her to stay there. In this love competition, Nam, Muek and Nune… who will eventually be the last man standing and fighting for Love?