Ploy's Yearbook follows the lives of five high school classmates who all share the name 'Ploy'. Years after graduation, they reunite and find that their lives have taken drastically different paths, filled with secrets, unresolved conflicts, and lingering feelings from their youth. As they navigate their adult lives, they must confront the choices they made in the past and the impact those choices have on their present relationships. The series explores themes of friendship, nostalgia, and the complexities of growing up. Through a series of flashbacks and present-day interactions, the show unravels the mysteries surrounding their high school days and how their shared name became a catalyst for both their bond and their eventual estrangement. Each Ploy must face her own personal demons while trying to reconcile with the others, leading to a journey of self-discovery and forgiveness.