Agent Cecilia Forss accidentally gained an invisibility spell while stealing the Yates family's blue sapphire. To retrieve the gem, she became Caleb Yates' contracted wife under harsh conditions. On their wedding night, Cecilia used the spell to steal the sapphire but nearly exposed herself and her identity due to the spell's instability. Caleb saved her, and she dispelled his suspicion with half-truths. Meanwhile, Caleb's childhood sweetheart, Rose Lopez, teamed up with rebel leader Zexin to find a way to drive Cecilia away.