The Plotter was forced to watch the events unfold without being able to do anything. The precious soul and the puppet soul were working together, they became close to the point the precious soul started to develop ambiguous feelings for the other.
The Plotter forcibly break through the bindings limiting his authority and reach out to these two people.
The first plan may have failed, hence he sent back the puppet soul again after watching the precious soul blacken. The Plotter really felt it was a pity that the precious soul was tainted.
