Ten minutes into the future a drug is invented called "GOD". This drug allows its user to actually commune with God. There is one drawback however... the user will die. This hasn't stopped thousands of people from taking it.

Shortly after David Abbott moves into his new San Francisco digs, he has an unwelcome visitor on his hands: winsome Elizabeth Martinson, who asserts that the apartment is hers -- and promptly vanishes. When she starts appearing and disappearing at will, David thinks she's a ghost, while Elizabeth is convinced she's alive.

Mother and daughter bicker over everything -- what Anna wears, whom she likes and what she wants to do when she's older. In turn, Anna detests Tess's fiancé. When a magical fortune cookie switches their personalities, they each get a peek at how the other person feels, thinks and lives.