Luz and her friends are stuck in the human realm after their climatic battle with Belos. Camila is thrilled to see her daughter again, but Luz is still guilty for letting the Day of Unity happen, she and Hunter agree to wait for the right moment to tell their friends about their experience in Belos' mindscape. Months begin to pass, Luz and her friends try to recreate the portal but to no avail. Amity, Gus, Willow, and Vee head to the Gravesfield Historical Society which is now managed by Masha, they reveal the scroll that Amity and her friends found earlier hidden underneath the shack and it might contain a clue on finding the hidden Titan's blood. At the Noceda residence, Camila watches Luz's video diaries on her laptop, she reveals her plan to stay in the human realm. During the Halloween festival, Luz and Hunter head to the cemetery to find the Titan's blood, but Belos starts to possess Hunter. Amity, Camila, Vee, Willow, and Gus arrive to help Luz save Hunter. During the ensuing fight, Belos crushes Flapjack in the process, leading to Hunter to fight back against his creator, he throws the blood in the lake. Belos tries to retrieve the blood, but Hunter drowns and Camila manages to save Hunter. However, Belos has managed to acquire the Titan blood, he thanks Luz for helping him and he goes back to the Boiling Isles so he can eradicate all of the witches. Luz admits to her friends what Belos said was true, only she and Hunter never told them about what she and Hunter saw in Belos' mindscape because she was afraid that if she told her friends that she helped Belos, they would think they would hate her. Amity assures Luz that she will never hate her. Willow notices Hunter is unresponsive, leading to Flapjack to heal him, but he soon dies. Hunter is revived and his eyes turn brown, he becomes heartbroken over Flapjack's fate. Knowing that the Boiling Isles is in danger; Luz, her friends, and Camila go back to the Demon Realm so they can defeat Belos and the Collector once and for all. Vee decides to remain behind in the human realm and she takes Camila's place to avoid suspicion.
