Movie
Obsession
Narrative tropes
Good Intentions, Terrible Results
mediumBear's wish is made from genuine love but overrides Nikki's free will — good intentions with a monstrous moral cost. Possessed Nikki pursues love as her singular goal (understandable) and her logic is internally consistent (do anything to keep Bear) but leads to murder, flaying, and fatal shooting. She explicitly justifies each atrocity as necessary to preserve the relationship. The film's closing irony — every wish technically granted, everyone destroyed — frames the 'certainty of love justifying the wish' as the catastrophe's true engine. Three signals: antagonist goals understandable/reasonable (love), villain logic internally consistent but morally horrifying (kill to keep love), and plan requiring atrocities framed as necessary sacrifices.
About this trope: A villain — or sometimes a hero — genuinely believes they are doing the right thing, but their well-meaning plan leads to monstrous outcomes. The scariest antagonists think they're saving the world.
Movies that share these tropes
Full plot (spoilers)
Baron 'Bear' Bailey is a shy, romantically fixated music store employee who harbors deep feelings for his coworker Nikki Freeman. After his cat Sandy dies from consuming oxycodone, Bear visits a crystal shop and purchases a supernatural novelty toy called the 'One Wish Willow.' When Nikki asks him directly whether he likes her, he impulsively breaks the twig and wishes that Nikki would love him more than anyone in the world. The wish takes effect immediately: Nikki returns to him and asks to stay with him, initially explaining her erratic new behavior as drug-induced and citing her father's terminal illness — a claim Bear later discovers is a lie. He also learns that Nikki had previously described him as a 'little brother,' revealing the full unnaturalness of her sudden romantic turn.
As their relationship progresses, Nikki's behavior escalates into something deeply disturbing. She duct-tapes the front door shut to keep Bear inside and prepares him a sandwich containing Sandy's remains. Alarmed, Bear calls the One Wish Willow customer service line, only to be told that the wish will only expire when he dies. At a party, Nikki stabs herself and refuses any treatment. The 'real' Nikki — whose consciousness has been suppressed and trapped inside her own body — manages to surface briefly and begs Bear to kill her, explaining that a possessed, obsessive version of her has taken over. When Bear meets with coworker Sarah in a park, possessed Nikki kills Sarah in a jealous rage and later removes Sarah's skin in order to impersonate her.
Desperate, Bear tries to reverse the curse by purchasing all remaining One Wish Willows, but cannot break any of them. He returns home to find Sarah's mutilated corpse. Possessed Nikki, now wearing Sarah's skin, confronts Bear and coworker Ian at gunpoint, fatally shooting Ian in the face. With no other escape, Bear takes oxycodone in an attempt to die and thereby end the curse. Before he can die, however, possessed Nikki breaks the last remaining One Wish Willow and places a new wish — that Bear will love her just as obsessively as she loves him. Now under the influence of his own curse, Bear dies from the overdose. The wish lifts only upon his death: Nikki regains full control of her body and, horrified by the carnage surrounding her — her friends dead, her hands blood-soaked — collapses in despair. The film ends with the ironic fulfilment of every wish, each technically granted yet leaving everyone destroyed.
Sources: Wikipedia, IMDb (search metadata), NoFilmSchool (ending explained)