Four young Americans travel to Europe to work as counsellors for a summer camp there. Before the kids arrive, however, a rage-inducing, demonic disease spread rapidly from animal to person, resulting in the counsellors desperately trying to escape the illness. However, the camp is in the wilderness, and with the phones out and cars wrecked, how are they going to get to safety?

In a world where a deadly zombie virus has infected mankind, a single cure has been found. The cure, a treatment called the "Return Protein" which stays the effects of the virus in its host. With daily injections, the "Returned" are able to live as though they were never bit, despite the virus still coursing through their veins. When it is discovered that the protein stock is running low, chaos hits the streets. Returned who run out of the protein turn to zombies and wreak havoc, protestors turn to murderers as they try to rid the streets of the returned, and right in the middle of it all are Alex and Kate. Kate a leading doctor in the field of zombie virus' and Alex a musician with a dark secret, he is a Returned. As death and fear run rampant, Alex's secret becomes known and his dosage runs low, he and Kate must fight for a chance to live before he becomes a zombie.

After a long and unsuccessful period trying to have a family, Claire and Adrian finally adopt a girl. The coming of Isabel is desired by almost the whole family but making a six-year-old girl with a past of her own fit into her new life might be something more complicated than they expected. Strange things start to happen from the moment Isabel "and her imaginary friend, Stevie", come to live with them. The situation becomes more complicated when Stevie's behavior becomes aggressive. Only Claire and Isabel know that Stevie is more than just a figment of Isabel's imagination. Claire, with the no one's support, will do everything to find out who Stevie is and what he wants. Perhaps if she succeeds, she will be able to recoup their lives and have the family she had desired for so long.