1.Meg Murry's father, Dr. Alex Murry, disappears while working on a top-secret government project.
2.Meg and her younger brother Charles Wallace meet three mysterious women known as Mrs. Whatsit, Mrs. Who, and Mrs. Which, who introduce them to the concept of tesseract and interdimensional travel.
3.The three Mrs. take Meg, Charles Wallace, and their friend Calvin O'Keefe on a journey through time and space in search of Dr. Murry.
4.They visit various planets, including Uriel, Camazotz, and Ixchel, encountering strange and fantastical creatures along the way.
5.Meg discovers her telepathic abilities, allowing her to connect with her father and communicate across vast distances.
6.The group faces various challenges and obstacles set by the malevolent force known as IT.
7.Meg, Charles Wallace, and Calvin learn about the importance of self-acceptance and unity in facing their fears and overcoming IT.
These events build tension and excitement, leading to the climax of the story where Meg must confront IT and her own inner demons to save her father and restore peace to the universe.