Heresy at Dawn (Queen Version)

Engaged since birth and then married to the current queen of Grosrido. On top of dealing with a cold-hearted wife, there have been rumors of the enemy kingdom, Duvaria, planting spies in Grosrido in the hopes of invading from the inside. You decide to take action and defend the kingdom and your husband, even if he isn't aware of what you're doing.