Writing question please explain in details

Misanthropic
Sat, 03 Nov 2012 19:48:46 +0000

Quincy took Dan to Derek’s home for a visit, never imagining that years would pass before seeing Derek again. No Error.
Its “Seeing” i thought it would be “never imagining” because maybe it was a misplaced modifier.
Why is it “seeing” and what is it supposed to be?