An accident at a public event made Lianne run into the action, and a few small cuts left enough of her at the scene to give the hunters a trail to follow.
Sorrok selected Lianne as a possible mate back on Earth, but he wasn't the one to collect her during the final extraction, so he was sure that someone else would have found their way into her bed.
His delight meets feral possessiveness, and while he changes her life, he makes sure that there is a place for him in it.