The answer to this really is in the head of the person who made it up. Normally it is the modifier at the beginning. Where have they been? What have the done? How long were they away?
But other questions loom. Why are they so interested in the kitchen? Why are they so hungry? Why are they so wet?
I'm going to pick the usual answer (Returning home from the trip) but the other parts are well written as well and it is hard to know what to pick.
