Why is Cayce summoned to Blue Ant in England?

Who appears to be Cayce's immediate nemesis and what are the reasons for the animosity?

What does Bigend want from Cayce, and who does he enlist to 'help' her accomplish this goal?

What items is Cayce given to aid her and why are they both a help and a detriment as she unravels the multi-layered mystery?

Cayce's trip to Japan has several surprises. What and who are they and how is she affected both physically and emotionally?

Who does Bigend hire and why does the knowledge both surprise and anger Cayce? What motivates Bigend to do this?

How does Cayce get the email address for the creator of the footage and from whom? How does he attain it and what does she trade for it?

What prompts Cayce to be less than honest with both...