At Fairview Prep High School, model student and discipline representative Kevin and rebellious troublemaker Ian are fierce rivals. To afford medical treatment for his seriously ill mother, Ian works anonymously on a chatting app and meets a mysterious sponsor named K.W., who is actually his rival Kevin in disguise. Bitter rivals at school, they become sincere confidants at night, healing and saving each other through private tutoring and silent companionship. Finally, they uncover each other’s hidden identities and turn their hostile rivalry into sweet love.