Hawkmoth had been defeated years ago, but, as a new Guardian, Mister Bug is still staying true to the "Our Identities Must Remain Secret" rule Master Fu had enforced on him and his partner back when they had just started out. And although she hasn't been successful before, an unexpected heart-to-heart talk and an accidental slip of a tongue might just help Lady Noire to finally change his mind about the damned rule. Especially, if it gives him a chance with the woman of his dreams - his boss Marinette Dupain-Cheng.