In the age of social media, teenagers tell the story that they want people to see, with each video more daring than the next. But in this small town, a series of staged "murder" videos are turning very real.

Sam is a teenage royal rebel, second in line to the throne of the kingdom of Illyria. Just as her disinterest in the royal way of life is at an all-time high, she discovers she has super-human abilities and is invited to join a secret society of similar extraordinary second-born royals charged with keeping the world safe.

Chloe recedes into herself due to her family's uncaring attitude towards her. When she meets Mr. Stink, a smelly man, she invites him to live in her garden shed.

Florence is thrown into chaos in the wake of the Pazzi conspiracy and Leonardo da Vinci must push the limits of his mind and body to defend the city against the forces of Rome. When the dust settles, friends are buried and rivalries enflamed. While the Medicis go to unthinkable lengths to deal with new threats, da Vinci continues on his quest to find the fabled Book of Leaves and uncover the secret history of his mother. He'll come to realize that he has lethal competition in his quest -- new enemies who may be even worse than the forces of Pope Sixtus. His search will take him to faraway lands and force him to reevaluate everything he knew about the world and his own history.