Return to the House of Spectral Shadows is the 22nd Proposed Serial in Spectral Shadows. It is preceded by Serial 21 - Jumping off the Sun and succeeded by Serial 23 - The Pentalian Factor. It is currently not being worked on, meaning that the only available material is the summary on the Synopsis Page.
The summary is as follows:
With Christine's return to her own time and space, the Gothic soap opera resumes, tying up all the loose ends of the plots she left behind. Unfortunately, the resolution is not a happy one, especially for Rael.