While Anirudh was feeling worry that his dearest sister fell into the trap of a bad boy Prathap who was studying along with them in the same engineering college, luckily they have been changed from that college to another college in a faraway place by his father for some specific reasons. There Anirudh asked Vinod, the son of his father's friend, whom he considered as a good boy, to make his sister fell in love with Vinod and marry him to save her from falling into the trap of bad boys like Prathap. To that Vinod also made a similar wish to Anirudh to make his sister Ragini to love Anirudh and marry him as he was thinking Anirudh was a good boy and his sister Ragini would be happy with Anirudh and with his family. Both of them agreed to each other's wish and while both the boys were getting success in their missions, in an unexpected way Prathap entered into that college also and tried to enter again into the life of Thanjua. How the situation turned out with the entry of Prathap again and could Anirudh save his sister Thanuja form the trap of Prathap is the story of this spicy hot romantic thriller 'Nail Polish'.