Confused about her past, with no one to answer her questions, Angel is forced into the company of Kain. An endearing man who saves her life and rescues her from an unforgiving forest. However, as bits and pieces of Angel's memories start to come back, will she choose Kain as her protector? Or is there someone else lurking around in her past that will gather her attention? Will she remember her past and solve all of its mysteries? Or will she be killed in the process? The real question: Who is Angel?

Follow Esri, a Toronto teenager, who starts having vivid dreams about cave people. With the help of Clea, a mysterious old woman, Esri discovers that she's a Mender with the power to move through time, mending the past to create a better future. Under Clea's guidance, Esri is living a parallel life 75,000 years ago when cataclysmic events reduced the human race to mere hundreds. The events that unfold within the Flat Rocks clan will set the direction for the social evolution of the human race. Esri bounces back and forth in time trying to accomplish her Mending while keeping her everyday life on track. She finds help from many new and somewhat unusual friends - critical allies when she confronts the evil Disruptors, strange beings who can also move through time, bitter enemies of the Menders.