On discovering them, Cassandra is overwhelmed as she is transported back to her youth. In flashback, we meet Young Cassy and Jane as they navigate the romantic infatuations, family feuds and dashed hopes which shaped their lives, and laid the foundations for Jane’s unforgettable stories. Cassandra’s re-evaluation of her past eventually leads her to find a way to guide Isabella towards the path of true happiness.
The four-part drama comes to BBC One in 2025.