This is the story of Oyster, also known as Emily. She is living a life of her dreams in a city of San Geronimo, a bustling tech hub. She is lucky, gorgeous and is about to marry into a very prosperous family. But one Sunday morning everything changes, after Emily and her fiance Mark join a group of friends on a hike to the beach. They expect to be back by lunchtime. What begins next is a wild journey through many realities and identities, where things are not what they seem to be. You have to find your own Entrance, a wise woman once told her. What happens to Oyster as she struggles to find her true self?