Happy-go-lucky teenage friends Francis (Mark Anthony Fernandez), Chipper (Jao Mapa), Mackie (Jomari Yllana), Abe (Gio Alvarez), Lester (Victor Neri), and Carol (Nika Valencia) are known as party animals. Nadine (Claudine Barretto), who belongs to a troublesome family and always wants to find peace that she cannot find in her own home, hates their group of friends, believing that they are too immature. Yet, Nadine finds herself falling in love with Mackie, who shows her that he is not as bad as she thinks. As the two become a couple, Mackie realizes that Nadine bears too much anguish in her heart. Mackie struggles to cope with Nadine's up-tightness and her constant nagging. As their fights become too frequent, Chipper enters the picture and has Nadine's back when Mackie withdraws. As Nadine and Chipper develop a deeper friendship, Mackie feels betrayed and confronts Chipper. As the two friends argue over a woman, their whole group will be torn about taking sides. Can their friendship surpass this challenge?—Star Cinema