Mallory on Board, Mallory

Bon Voyage! Mallory and her family and friends are setting sail on a cruise. But poor Mallory feels like she's sunk and she hasn't even set sail yet. Her two best friends' parents are getting married and even though Mallory is trying her best to be happy for Mary Ann and Joey, she can't help feeling left out. Can Mallory find a way to be happy for her friends and not feel like a third wheel?