When Delilah Morgan's older sister attempts to commit suicide, Delilah's life is turned upside down. Olivia survives, but Delilah is pushed to the side, forgotten about by everyone. But as she prepares to start a new year at a new school as a sixth form student, she decides to completely reinvent herself.
Lies is a stronger, prettier, more popular version of Delilah. As she struggles to keep up the facade, Delilah's life starts to slowly fall apart. Her life is spinning out of control quicker than she can keep up with, and Delilah realises she is losing more of herself than she had intended.