Two strangers are drawn to a mysterious pharmaceutical trial that will, they're assured, with no complications or side-effects whatsoever, solve all of their problems, permanently. Things do not go as planned.
Becca has just arrived back to New Hope (a girls ranch) to find that there is a new set of rules she is going to need to follow.
After the disappearance of her father, Sophie gets caught in the middle of a conspiracy to exterminate half of humanity.