52 parts Ongoing In the 1600s, Isabelle was a princess who lived in a grand castle, caught between her royal duties and the dangerous world of vampires. Her life took an unexpected turn when the Mikaelsons-Klaus, Elijah, Rebekah, and their family-arrived seeking refuge. Isabelle welcomed them into her home, unaware of the chaos they would bring to her life. After a tragic death, the Mikaelsons helped her transition into a vampire, and she became a part of their family, growing close to them for centuries.
However, everything changed in the 1910s when Mikael, their vengeful father, found them. In a horrific act of betrayal, he set fire to an opera house, trapping Isabelle and Marcel inside. The Mikaelsons fled, leaving Isabelle and Marcel to fend for themselves, and she was devastated by their abandonment.
After surviving the flames, Isabelle's path diverged as she met Damon Salvatore in the 1930s. The two quickly formed an inseparable bond, their relationship blossoming into one of deep friendship and sibling-like loyalty. For decades, Damon and Isabelle were each other's constants in an ever-changing world.
When Damon reaches out to Isabelle for help in protecting Elena from Klaus, Isabelle is confronted with an impossible dilemma. Klaus-her former lover-has returned, and Isabelle is torn between her old feelings for him and her loyalty to Damon. She hides her true emotions from the Scooby Gang, helping them but secretly plotting her own course of action. Klaus's betrayal still haunts her, and while she helps protect Elena, she's still plotting how she will make Klaus pay for leaving her to die.
