In her haste, Anna has little time to contemplate the shocking revelation that she's Frank's daughter. Meanwhile, Frank reveals the truth behind his affair with her mother Imogen and that they were madly in love. It transpires Frank and Imogen had arranged to run off together but she chickened out. 16 years later, Imogen turned up out of the blue and revealed she was dying and that if anything happened to Anna, that Frank should look after her. Franks declares he came back to look after Anna following George's death.