My eyes are now open..

It's 11:36. I have to be at work at 8am. Today was okay. That was till I went into work for my second part of my split shift. I was nice enough to offer myself for a split shift and come back in the evening and help straighten the store. We have a manager who is helping us out until we got a new one to fill in for Rob. She isn't that nice or friendly. At least to me. I came in and did what I was told to do and I straightened the whole store. She apparently had a problem with the way that I did my cat cans. Instead of comming to me and telling me about it, she went to at least 3 other people and apparently she was pissed and didn't like the way that I did it. I've been there for almost 3 years. Thats the way that I was taught to do it and not a single manager has ever had a complaint about the way that I was taught. That made me highly upset. I went to her in front of Rick and basically told her that she needed to come to me and tell me that she had a problem with me not every one else in the store. She got all quiet and couldn't say anything to me in front of him. But as I was leaving when Rick wasn't there she tried to start stuff. I was told by Rick's boss that if a manager tries to confront you or pick a fight with you on the floor in front of other associates I have every right to walk away and let the situation calm down. I didn't have anything to say to her. I had said what I wanted to say and the fact that she had been looking for me and had walked right past me and didn't say anything to me makes me even more mad. As I was leaving the store she wanted to confront me on who knows what and I looked at her and I said I'm clocked out and I don't have to talk to you. She was like fine see if I ever come to you. I turned and kept on walking. What really gets me is that my co-workers can't even give me a little support on what happened. If it was them, I would give them 110% support. But because it's me and I apparently have a way with people, I'm treated like it's my fault. I did nothing to her, and even if I had she is still a manager and she has no right as a manager to discuss another associates performance to other associates. All she had to say was that she was looking for me which she told me that she had said that but if she had said that then how would the other associates know that she wasn't happy wity my straightning? They wouldn't. Which is my point exactly.