I had a very coherent plot (plots; the dream was separated into three plot-device related but otherwise utterly separated sections) in my last dream; a plot I could (and intend to) write a story of.
The first section of the dream was least important, everyone was a cartoon character in the style of the simpsons/family guy/any comedy cartoon, rally. There were hijinks and stuff, but the only part of this section of the dream that connects it to anything is that people started disappearing and unknown people appearing.
The second section of the dream was far more relevant, and could make a story: It involved me, in my house, and marginally my family, but what happened was that every time I entered a closet, I exited into a house like the one I live in; but different. Rooms could be shuffled around, or there could be an extra room, or my family could be different, stuff like that. I deduced that I was being shuffled through alternate dimensions, and rather furiously entered and exited my closet in an attempt to get back; but the changes got more severe each time. At one point, the house was half torn apart by a hurricane. Somewhere in here there was something about Superman causing it, but the next section of the dream did not share this reason for disaster.
The third section, and my favorite, involved wholly a cast of fictional characters, though I only remember 2/got woken up before I could see more. In this world, there was similar shuffling between alternate dimensions.
I started off as some skater kid around my age (15), who first found something suspicious when he entered a bowling alley or a convenience store, (I don't know which) and went to buy a snack; he didn't recognize the people there, the display case was pretty much all gatorade-like drinks, and they no longer served the free little ones. Shrugging, he went to buy; but the strange cash register denied his money. So he left- and the cityscape was different. At this point, he went into a blur of trying to find out what happened; but what he found was a constant was that money did not work.
At this point, I switched to the POV of another character I'll call Allen, a friend of Nick's (as I deduce from him knowing about the money not working, accompanied by a flashback from Nick's POV), and an occult researcher. Having the starting points of dimension shuffling and the failure of money to go on, Allen grabbed a laptop and began delving into knowledge about pantheons of gods, to figure out what happened. At some point, he ends up finding what he thinks happene; Zeus has stolen two power-integral gems from Cete, some pantheon's goddess of wealth and revenge, who is closely associated with Hete (probably twins), this pantheon's god of spacetime. Figuring that Zeus' theft caused this, Allen begins a begging prayer to Cete, begging of her not to punish the mortals since Zeus would likely not let their plight get in the way of his hedonism.
I did not get to see the result of this prayer, as my mom predictably woke me up at the best part of the dream.