In addition to dealing with the typical teenage angst, fifteen-year-old Grace Arkin has to live with the fact that she's alive only because her sister died and, in an attempt to break free from depression, her mom decided to get pregnant. Grace will be the first to tell you-the plan didn't work.

Growing up in a house structured around fear and the ever-looming possibility of death, Grace eventually finds a friend in fellow outsider Josie. But as the two girls head into high school, both longing to find their place in this strange new world, they unexpectedly fall headlong into its...