Brainstorming Breakthrough

I've decided to take a little break from my novel and work with this new idea I had. But I came upon a problem. I had Great characters with awesome backstories nad motives and a dynamic setting that's pregnant with change. The problem was I couldn't think of Plot! I had to use a mind map to think things through but I still couldn't think of anything. Until I remembered something I learned in 7th grade. Conflict is Man vs. Man, Man vs. nature, Man vs. Society, or Man vs. Self. I wrote each of these on a paper and started thinking of things that could happen and BOOM! Brain lock fixed. But I am getting a little light headed from this cherry scented expo marker.