10 Movie Reveals That STOPPED You From Walking Out

Malignant, man.

James Wan's horror film is, for the first 75% of its runtime, a dreadfully dull horror film-slash-police procedural - or if you want to be charitable to Wan, a self-aware parody of one.

Either way, it's chock full of wooden acting, stilted dialogue, and drab, predictable "scares," enough that you couldn't be blamed for tuning out before the third act, and even contemplating turning the damn thing off altogether.

But those who stick it out to the end are soundly rewarded with one of the most bonkers plot twists in recent cinematic history. As it turns out, Gabriel, the serial killer rampaging in the vicinity of protagonist Madison (Annabelle Wallis), is actually Madison's own parasitic conjoined twin.

Most of Gabriel was surgically removed from Madison in childhood, but a vestigial part remained due to it being connected to her brain.

And so, when Madison's abusive husband gives her a head injury at the start of the film, it sets Gabriel free, allowing him to effectively hijack Madison's body and carry out the killings.

And because Gabriel is attached to the back of Madison's head, he's only able to control her backwards, explaining why Gabriel's movements throughout the film look so jerky and unnatural.

It's a boldly insane reveal that perked just about everybody up, ending the film on a certifiably bats**t final section as Gabriel embarks on a gory rampage through a police station.

Up until this point Malignant felt destined to be quickly forgotten, but the final 20-or-so minutes are so deliciously, unexpectedly ridiculous that they save the whole damn thing.