As the U.S.S. Discovery crew attempts to let loose at a party, an unwelcome visitor comes aboard bringing about a problematic and twisted sequence of events.

Mary teams up with Catherine to deal with Henry, whose deranged behavior puts Francis at risk. Elsewhere, Bash resolves to destroy the Darkness after meeting a boy who survived the…

A treachery is revealed. Wynonna prepares for her final showdown with Bobo.

An admirer with a gruesome vendetta threatens the town. Wynonna tries to outwit Bobo Del Rey and protect Dolls.

Wynonna and Dolls investigate the snowy Barrens and the rumors of a bloodthirsty beast. Henry confronts his future with Waverly’s help.

Wynonna undergoes a psychiatric fitness test that she initially fails but Dolls ends up having her back after she sleeps with Doc.

Henry and Deputy Marshall Dolls infiltrate a Revenant hive; Wynonna tries to avoid being a serial killer’s next victim.

Waverly’s engagement party guests are put in danger by Henry’s quest for revenge; Wynonna investigates a killer targeting young women.

Wynonna investigates when a posse of Revenants go on a killing spree, which she concludes has a darker and more sinister point behind it. Meanwhile, Waverly challenges Henry’s motives and…

Wynonna attracts some unwanted attention after returning to Purgatory; at the same time, she struggles to keep her impetuous nature in check while trying to conform to the rules imposed…