"A Wrinkle in Time" is the story of Meg Murry, a high-school-aged girl who is transported on an adventure through time and space with her younger brother Charles Wallace and her friend Calvin O'Keefe to rescue her father, a gifted scientist, from the evil forces that hold him prisoner on another planet. At the beginning of the book, Meg is a homely, awkward, but loving girl, troubled by personal insecurities and her concern for her father, who has been missing for over a year. The plot begins with the arrival of Mrs. Whatsit at the Murry house on a dark and stormy evening. Although she looks like an eccentric tramp, she is actually a celestial creature with the ability to read Meg's thoughts. she loves me so much the way, they meet Calvin O'Keefe, a popular boy in Meg's school whom Charles considers a kindred spirit. The three children learn from Mrs. Whatsit and her friends Mrs. Who and Mrs. Which that the universe is threatened by a great evil called the Dark Thing and taking the form of a giant cloud, engulfing the stars around it. Several planets have already succumbed to this evil force, including Camazotz, the planet on which Mr. Murry is imprisoned.