Anna's marriage is on the rocks after her husband John discovered she was having an affair with a much younger man. Confronted by her other half in the honeymoon suite of a Stratford-Upon-Avon hotel, Anna must try to save their marriage, deal with hapless hotel staff and come up with a plan to get through the experience. Unknown to either John or Anna, the suite’s bathroom is occupied by a semi-naked and comatose 21-year-old, who’s trying to sleep off a stag do.
Magali plays in a brass band. Guillaume drives a small tourist train. Both spin a perfect love, they share modest dreams and their baby is about to come. But an unexpected news upsets their routine: a man appears and announces that he is Guillaume's estranged father and also reveals that Guillaume is his legitimate heir of a kingdom offshore of France and England. Guillaume and Magali start to dream of a life as monarchs, surrounded by faithful subjects in their castle, enjoying their wealth. But reality is often different to what you can imagine.
In London, an airport baggage handler is forced by French and British intelligence agents to seduce the wife of a businessman with ties to Syrian terrorists.