Jack, a fifteen-year-old high school student, finds his simple, middle-class life turned upside down when his parents divorce and he discovers that his father is gay. When his best friend Max reveals his own devastating family troubles, Jack slowly learns to appreciate all has-however unconventional, confusing, and troubling it may be.

The fourth and final season finds Mary rising to the challenge, taking back her country and establishing her rule in Scotland, the land of her birth but a wild nation foreign to her, and now, once again, her home. There will be impossibly high stakes, unexpected betrayals, sexual exploits, a royal wedding, a royal birth and a rising body count as three queens in three nations fight for their people, their loves, and their lives.