In the movie "Sucker Punch," Babydoll is lobotomized by her abusive stepfather to silence her and prevent her from revealing his crimes. The lobotomy serves as a form of control, ensuring that she cannot escape or challenge the harsh realities of her life. This traumatic act plunges her into a surreal mental world where she and other girls fight for their freedom and survival through imaginative battles, symbolizing their struggle against oppression and trauma.