The group consists of Holly, who is daring but breaks her leg caving; Sam, the youngest and smartest who is training to be a doctor; Rebecca, Sam's protective older sister; and Juno, the leader who likes adventure. Sarah is the main character who has experienced two losses and is best friends with supportive Beth. The document also includes images showing the group bonding, Juno betraying Sarah by pursuing her husband Paul out of jealousy, and Beth going on a killing spree enraged after finding out about the betrayal.