Unmoved, John Keem listens and then they promptly sleep together with no apparent pre-text other than they were both there. Stevo is frantically trying to reach John Keem, so he calls Kronious to let him know that Richard, the guy Cindy went home with, works for Milverstead.
The passage describes a scene where John Keem is unresponsive, leading to an intimate encounter with Stevo.  Stevo then informs Kronious of Richard's connection to Milverstead, adding another layer of complexity to the narrative.