Motivated by money and revenge, Perry hosts an exclusive masque-rave that takes a twisted turn. A young Roderick pitches a revolutionary new opioid.

In charge of the Ushers' publicity, Camille conspires to spin controversy in her family's favor and expose the grim details of her sister's experiments.

Leo adopts a black cat who soon brings evil — and a mysterious woman — into his home, while Roderick struggles with terrifying hallucinations.

Victorine inches closer to testing her heart technology on a patient until tensions erupt between her and Alessandra. Dupin makes a chilling confession.

Pym digs up disturbing information on Verna. With her marriage on the decline, Tamerlane hosts a turbulent product launch that shatters expectations.

A furious Frederick sets out to handle unfinished business. Madeline receives an ominous message at an old haunt. Dupin grows wary of Roderick's motives.

In 1980, Roderick and Madeline seize a chance to cement their fortune — for a price. Decades later, the remaining Ushers reckon with the consequences.