It's Over, Isn't It?

A girl with a crush on her best friend, Rose, has to deal with the fact that her best friend getting married in a few months to someone other than her. This might just lead her to reckless abandonment causing her best friend to get agitated with her. Which in turn causes her more grief. But what if the wedding of her best friend's dreams doesn't come? What if something terrible happens to her best friend? What will happen then?