Twilight and Fluttershy go hiking and get all hot and bothered. Typical trashy shipping stuff goes down. All their friends start coming out as well. Also Celestia nearly dies.
There we go.
I hope that appeases the manchildren that didn't like the previous story description.
Feel free to complain in the comments about how a romance story about horses from a show for children has somehow offended your conservative sensibilities.
I'm going to make a delicious sandwich out of black forest ham.