Fairly early on in Blade Runner 2049, we're shown a scene where:
Luv stands and watches in obvious (yet suppressed) horror as Wallace mutilates/kills a freshly birthed/activated replicant, seemingly while also closely scrutinizing Luv using one of his telepathic surveillance drone things.
This seemed to be setting Luv up as a sympathetic character who's been ensnared by the sadistic Wallace and essentially forced to enable his depravity as a matter of self-preservation.
However this setup is then contradicted in several subsequent scenes, where:
Luv executes the replicant Wallace created to blackmail Deckard on command and seemingly without hesitation or regret.
Luv kills Joshi and that other police officer in the morgue/evidence locker, and doesn't seem to care much about either. In Joshi's case she even seems to brag about the lie she's going to tell Wallace when she gets home.
Luv destroys the construct holding K's AI companion, knowing it will 'kill' her and seemingly for no other reason than that she relishes the fact that the action will cause K pain.
Even in Wallace's absence, Luv appears to dutifully follow his directives without hesitation and ultimately, to the death. Although she does spare K on at least 2 separate occasions (and probably actively saves his life on at least one other) when she could have easily killed him, ultimately enabling her own death by doing so.
What's her deal actually supposed to be? The sympathetic 'victim of circumstances beyond her control' aspect seemed to unravel almost immediately. Was she just meant to be protrayed as a cold, ruthless, 'ends justify the means' kind of operative? And if so, what was the point of the first scene?