"Ion" is a classical Greek tragedy that revolves around themes of identity, fate, and the complexities of family relationships. The play tells the story of a young man, Ion, who serves as an attendant at the temple of Apollo in Delphi. Unbeknownst to him, he is the son of Apollo and Creusa, the queen of Athens. Creusa, having been raped by Apollo and believing her child was dead, comes to the temple seeking answers about her lost son. A series of oracular revelations and dramatic encounters eventually lead to the recognition and reunion of mother and son. The play explores the intervention of the gods in human lives, the nature of legitimacy and inheritance, and the reconciliation of past trauma with present joy.

The novel is a romantic suspense story set in the picturesque backdrop of Greece, where a young Englishwoman, Camilla Haven, accidentally becomes embroiled in a dangerous adventure when she receives a car intended for someone else with a note pleading for help in Delphi. Driven by a sense of intrigue and the memory of her brother, who died in the war, she sets off to Delphi and meets a charismatic and mysterious Englishman who is searching for his brother's grave. Together, they become entangled in a perilous quest that leads them through ancient ruins and into the heart of a modern conspiracy, testing their courage and blossoming affection for one another.