When they return, they compel her into more activity by using the taser on her.  She gives them blowjobs, hoping they will let her go, but they have other things in mind her for.

She is taken to the front of the club, where her hope rise on being released.  But they brutally strangle her instead.  She struggles long, bucking and gyrating as her body slowly dies. One of the men decides he he ready for more and fucks her corpse while the other waits.