Absolutely, there are many choices.

She could come back early enough to see the group before they take off.
She could just approach the group and ask whats going on.
She could save somebody's life

Really, just tell me how you'd like to go about it and we'll work something up. Perhaps the note is delivered to her by the wind?

Just to recap. Those who choose to exclude themselves from an event such as this, will be given a different opportunity for something else, don't fear you'll be left behind story wise. There is much story to go around. On the opposite hand, taking the opportunity may mean you'll miss something else. I am a cruel GM. :)