A city girl teams up with a tomboy to solve the mystery of Bear Mountain, Molly Morgan, and the buried treasure as well as learn about true friendships.

Four couples meet for Sunday brunch, then discover they are stuck in a house together as the world may be about to end.

A seemingly perfect couple's façade is dependent on whether or not they are able to keep from revealing their role in a murder while holding their engagement party on a remote bay just outside of San Francisco.