Shawnette Orgun Tied Up

Shawnette Orgun husband calls one day, and tells her that he will be home early and that they needed to talk, so once he is home, he tells her that they need to do a ritual that uses sex to do it. This ritual is suppose to help with finding out where they came from, as in the Humans of that world, and that she has to have sex while she is tied up and bond. She does so, but then finds out more about this ritual and what it can do, not only to her but everyone else who is involved as she goes to another world because of it. What does she learn about the ritual and what other things did her husband did not tell her?