Past characters returning to haunt him?
Check
Stroppy hoity-toity beauty with heaving cleavage?
Check
Exotic beauty who hasn't revealed her cleavage yet, but who in all likelihood is in possession of a positively heaving cleavage?
Check
An honest upstanding officer who will surely die before the story concludes?
Check
Homespun wisdom from the redoubtable Sgt Harper?
Check

Most dependable show ever.

Oh, and the young Ensign is clearly going to turn out to be his son.