When Gia Russo sees a photo of a Minneapolis woman who looks exactly like her, their Facebook exchanges blossom into a long-distance friendship. They agree to meet in New York and bond over a feeling that they share more than just a visual resemblance. DNA testing confirms that they're identical twins-- and raises more questions than answers. The Forensic Instincts team becomes involved, and soon find themselves in a conflict of interest between two clients. When one case unexpectedly intersects with the other, the only solution is to find the link between the two and unearth who is pulling the strings and why.