Abandoned, betrayed, lost, and deceived, Ruby Quartz is a teenager who has lived for centuries yet has no memory of her past. The Watchers took Ruby from her parents and erased her memories. With her closest friend, Dash, a six-foot-tall walking and talking catwoman, Ruby travels through time and space, helping those in need while searching for answers to her past. As they embark on a dangerous mission to save a young girl, their actions draw the attention of a rogue group of Watchers known as the Queens of Heaven. With the Queens hot on their trail, Ruby and Dash must outwit their pursuers while Ruby uncovers the truth about her stolen life and the secrets kept from her.