It had seemed so simple. But now they were getting inside her mind...

When Detective Kim Stone is called to Samantha Brown's home, she finds the young woman lying with her throat cut and a knife in her hand, and rules her death a tragic suicide.

But after visiting her parents, Kim realises she's made a huge mistake. Samantha was murdered...

Then a young man's body is found in a lake. Both victims spent time at Unity Farm, a retreat for people seeking an alternative way of life. But beneath its cosy façade lies a sinister community preying on the vulnerable.

Sending one of her own into Unity Farm is Kim's only hope if she is to catch a killer. But with an undercover officer in way over her head, Kim's neck is on the line. Can she protect those closest to her before another life is taken?