1. Attempts to Recruit Tamino: The Queen of the Night appears at the beginning of the opera, seeking help from the young prince Tamino. She gives him a magical portrait of her daughter Pamina and asks him to rescue her from the clutches of Sarastro, the high priest of the Temple of Wisdom.
2. Bestows Magic Items: The Queen of the Night equips Tamino with a magic flute and Papageno, the birdcatcher, with a magic glockenspiel. These magical instruments are crucial in helping the two of them overcome obstacles and enchant those they encounter on their journey.
3. Plots Against Sarastro: The Queen of the Night harbors deep resentment toward Sarastro, whom she believes has abducted Pamina and is keeping her against her will. She attempts to manipulate and deceive Tamino and Papageno to work against Sarastro and his followers.
4. Sets Trials for Tamino: Tamino and Papageno undergo several trials and challenges put forth by Sarastro. The Queen of the Night tries to intervene and influence these trials, using her magic and cunning to hinder their success.
5. Confrontation with Sarastro: In the climactic scene, the Queen of the Night confronts Sarastro in his temple, accusing him of treachery and demanding the release of Pamina. Sarastro reveals the true nature of his intentions, which are noble and wise rather than malicious.
6. Defeat and Banishment: The Queen of the Night is ultimately defeated by Sarastro and his forces. She is banished from the realm of light, and her power is diminished. Her daughter Pamina is reunited with Tamino, and they triumph over the forces of darkness.