Here are a couple of plays I've had recently with images on the CM forum. My thanks to the owners for their permission to post them here.
The first one was very dark, but all the detail was beautifully intact, so it opened up nicely:
Here's the layers panel from that edit - mostly Levels, with a couple of Hue/Sat. And of course some noise reduction to counteract the graininess due to underexposure:
Here's a lovely moment captured in less than lovely light:
And here are the layers involved. (There were so many that I had to take several screenshots and paste them together, which is why you'll see several scroll bars!)