Frustrated with his father and his homelife, Hero runs away from home to attend school in a town where his aunt lives. There, he meets Pop, and the two experience a rocky start in their relationship.

Hero finds ways to make amends with Pop, including protecting him from a school bully.

Hero turns the crisis of his father‘s financial cut-off into an opportunity to stay in the same community as Poppy. However, Hero's attachment to Poppy, irritates his girlfriend, Lala, who follows him and tries to pull him back with an unexpected plan, altering the relationship between Lala, Hero, and Poppy forever.

Hero creates an opportunity to stay at Poppy's house, displaying behavior that makes Poppy question whether they are friends or something more. Hero sticks close, overly protective, and nosy with issues of sexual education. However, the relationship shatters when they discover their parents are getting married, hurting both of them deeply.

Hero initiates a mission to win Poppy back. Although Poppy forgives him, Hero's confession of love causes Poppy to withdraw. Only, who usually garners attention from many girls, but ignores them, wants Tigger to notice him and resorts to teasing. Meanwhile, Poppy must accept his father's love for a new family, with her promising to provide enough love to make up for it.

Hero is uneasy, fearing he will lose Poppy for good when Poppy confronts him about sending someone to hurt Pailin. They part ways despite still thinking of each other. Eventually, Hero reveals the truth about what happened with Pailin. Poppy faces a difficult choice between two people who both love him dearly.

Hero's father tries to force him apart from Pop. Hero and Pop are forced to confront the past details of their parents relationships.