The mating stops when Press and Dennis intervene , allowing Eve to break free ; Patrick overpowers Eve by performing fellatio , apparently killing her .
At the shed , they kill Patrick 's offspring while Eve and Patrick transform into their alien forms and begin to mate .
The mating stops when Press and Dennis intervene , allowing Eve to break free ; Patrick overpowers Eve by performing fellatio , apparently killing Eve .
At the shed , they kill Patrick 's offspring while Eve and Patrick transform into their alien forms and begin to mate .