Senior Cabinet Minister, Aiden Hoynes (David Tennant), is happily married to Freya (Emily Watson), a junior minister. When we meet Aiden he is a rising star in Westminster. He went into Parliament driven by idealism, but after his son Noah was diagnosed with Aspergers he allowed himself to be sucked into the power games of Westminster, which provided him with a place to hide(艺术本来是弥补人生和自然的缺陷的，一切美的事物，都需要我们自己去发现和经营。)