As Lizzie and Josie prepare for their long awaited sweet sixteen party, Alaric finds himself preoccupied with the latest supernatural arrival – one that hits a little too close to home. Elsewhere, Penelope’s latest plan gives MG one last shot at impressing Lizzie on her big day, while an unexpected betrayal causes tensions to boil over between Hope and Rafael.

When the urn goes missing, Alaric, Hope, Josie, Lizzie, Kaleb, Dorian and Emma hit the road to locate the artifact before the next Malivore creature arrives. Meanwhile, Lizzie takes aim at Hope for all the past spring breaks she’s ruined. Finally, the group bands together when a town-wide quarantine threatens to expose their supernatural identities.