Smart, multi‑talented Denise enters the wealthy Harmon household under a three‑month arranged engagement. Pretending to be a simple rural‑born fiancée, she hides her secret identities as top designer Loe and elite hacker Ada. Cold CEO Alex still clings to memories of his childhood savior Candy. Amid vicious rival schemes, workplace sabotage and dangerous traps, genuine romance slowly blooms between them, as hidden truths about their past begin to surface.