The dark heirs have returned the crystal of eternity and are ready to conclude a contract with mysterious clients. The Dark Heirs reprogrammed Gisella, Varlos' "daughter" to work for them. Now the Doctor has arrived in the present time to trace exactly who the dark heirs are planning to transfer the crystal to. Will the Doctor make it in time? What happens when mysterious clients activate the crystal?

This is a series of 10 books about the Doctor, who explores the mysterious crystal of eternity, and about the powerful creators of the crystal - the dark heirs.

Translation: Pandora< /p>