Michael Roark

Isobel returns to town and stuns Alaric with her attitude. When Isobel and Elena finally meet, Isobel refuses to answer most of Elena's questions, but reveals that she will stop at nothing to find the mysterious invention John Gilbert has been searching for.

Elena and Alaric both lash out at John when Isobel's unexpected arrival leaves Jenna devastated. Bonnie works with Damon and Jeremy to find the spell they'll need to harness her ancestors' power. Plus, Stefan and Damon realise they have a new secret weapon.

Hank worries that a patient is under too much pressure, Jeremiah diagnoses Divya's neighbour and Hank makes a business decision.