Norman Bates has nothing on Vivien Harmon.
The Psycho character once famously said that "we all go a little mad sometimes," but imagine if his husband's ex-mistress was clamoring for his child and some dude in a rubber suit tried to rape him. I can't imagine he'd qualify his level of madness in that case.
Both these events and a lot more went down on "Rubber Man," an American Horror Story episode that delivered on its promise to reveal the person under that black mask (hello, Tate!), while also making it clearer than ever just what those ghosts in the basement want: