While Greendale readies for a Halloween eclipse, Sabrina faces a crucial decision and Harvey makes and unexpected declaration.

A legendary guest visits Spellman Mortuary. Ambrose explores a grim revelation, and Sabrina stuns the coven with a shocking announcement.

As Sabrina confronts a long line of family secrets, Harvey faces turmoil at home - and shares a secret of his own.

The coven prepares for an annual ritual as Harvey takes part in a Kinkle family tradition. Sabrina grows suspicious of Lady Blackwood.