The story of a 17 year old girl from a wealthy family. Caddy Sinclair spends her summers on a private island. After suffering a terrible accident she struggles to remember events that happened in her past.
In a future society, officials choose your job, your spouse, and when you die. After a young girl (Cassia) is "matched" with her best friend (Xander), things go crazy and Cassia must choose between love and order.
A teenager named Tessa Gray travels to London during the Victorian era where she discovers that she has the ability to transform her body and ultimately meets up with Shadowhunters who hunt vampires, werewolves, and warlocks.