Job doesn't wanna pay me for my overtime?

So I told my dumbass boss Monday I worked too many hours last week. And she told me it's fine from now on make sure I take my breaks and stuff (prior she wasn't letting me take em on certain days). Well today is payday and I have an hour and a half of overtime. Didn't know till 30 minutes after closing (she waited to start my check). And got told the owner doesn't want us to have overtime. And because I had to leave before I killed the boss I told her I'd get it Monday. But I'm seriously getting pissed and have no idea what the fuck to do because I need my check but couldn't wait up there all day for it when she waited to do it.

Job doesn't wanna pay me for my overtime?
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