Alumni of Mill Valley High School are celebrating their 10-year reunion on board. Sally Masterson-Mahony, the head of the Reunion Committee, sets the tone for a cheerful, hilarious and VERY organized gathering of alumni that starts out in the lounge, where champagne and canapés are served. As various classmates are introduced to their fellow alumni (members of the audience), old tensions and rivalries quickly become evident. After the classmates move to your fine dining  restaurant for dinner, it is discovered that one of them has been “done in.” The classmates must solve the mystery over a sumptuous meal that includes a 4-course dinner with wine. The audience/fellow alumni question the cast of characters and finally vote for who they think did the dastardly deed. The person who guesses correctly goes home with a fun prize, and an hilariously mysterious and fun time is had by all.