Instead of a fresh start, high school provides more grief and isolation to Echo, whose older sister died a year earlier, but insights gained from Zoe's diary--a fifteenth birthday gift from Zoe's boyfriend--about her sister's life and death change Echo in ways she could have never expected.

"When Teddy's whole class decides to break a bigger, better world record, friends turn into enemies, Teddy is forced to do something he's never done before - try not to break a world record"--