It’s 1981 in Sacramento, and 13-year-old Lorena Saenz has just been paired with Jenny Stallworth for the science fair by a teacher hoping to unite two girls from starkly different worlds. The unlikely friendship they form will draw their families into a web of secrets and lies, one that sends Lorena on an unforgiving odyssey through the desert, past the gates of a religious cult in Mexico, and into the dark heart of America’s criminal justice system.