The Originals (2013)

S4E6 Bag of Cobras

After learning that The Hollow has a shadowy servant carrying out its orders, Klaus and Elijah decide to throw a lavish party to draw this new danger out and reveal its identity. Vincent, feeling accountable for The Hollow's return, uses his magical abilities to assist the Mikaelsons in identifying this latest menace. At the same time, Hayley, having discovered clues about the person responsible for her parents' deaths, seeks Freya's help to access her memories from that tragic day.