As Dorothy finally stands up to the Candlemaker, the team faces the side effects of being freed from the wax wrappers, and Rita holds the key that could stop the evil, putting herself to the test.
The team goes on vacation to escape their problems after Niles' departure, but they find it very difficult to reconcile with each other. However, an alien appears and threatens to kill one of them.
After being transported to the afterlife, the team relies on Dorothy, Larry, and the Dead Boy detectives to save them from certain death, and they face a series of challenges on the way back.
The new members of the team feel inspired to work on themselves, and later a mysterious woman arrives via time machine, and a former arch-enemy, drawing the team into a series of surprising events.
Madame Rouge seeks the team's help after learning of her disturbing past. While the rest of the team works to infiltrate the target, Rita stays behind and finds an unexpected connection with a mysterious friend.
After traveling back in time, Rita tries to navigate the organization concerned with natural life forms. On the other hand, Jane gives Kay something special, and Larry finds a final solution with his son.
As Vic turns to an old friend for guidance on a significant life transition, Jane stands up to the others supporting Kay. Madame Rouge, sensing impending peril, tries to refocus the incredibly disoriented group.
Victor, Cliff, Jane, and Larry are forced to relive their most shameful moments as a dense fog obscures everything around them so the team can complete their mission.
Madame Rouge seeks to return to her old place in the Brotherhood of Evil and prepares to make a shocking surprise for everyone, but the team decides to confront with all its strength and prepare for their imminent visit.
As the Brothers of Evil approach, the team members try to put aside their past differences hoping to become a heroic team and defeat the forces of evil once and for all.