Brilliant scientific researcher Tilda Mosse wakes up in hospital unable to speak or move and with no recollection of what happened to her. Determined to find answers and prove she is not in a persistent vegetative state, she travels back through her fractured memories looking for clues. Could someone really have tried to kill her? An indulged younger brother, an obsessive flatmate, jealous colleagues and a missing lover. Everyone has a motive. On the edge of death, and questioning the value of her life, Tilda's only hope is to unlock the key of all unknown.

Motherless nineteen-year-old Ava has always believed brilliant botanist, Theo Gage to be her father. But when a chance discovery reveals she is not his daughter, her world falls apart. Determined to discover her true identity, Ava runs away. Trapped in a deadly game of cat and mouse with a ruthless criminal gang, will Ava survive?