The film's plot revolves around Jean Grey, one of the most popular members of the X-Men, and tells the story of her gradual transformation into Dark Phoenix. During a life-threatening space rescue, Jean is hit by a mysterious cosmic force and becomes the most powerful mutant. From then on, Jean Grey must not only try to control her growing and extremely unstable power, but also fight her inner demons. Her loss of control tears the entire X-Men family apart and puts the entire planet in danger of destruction. "X-Men: Dark Phoenix" is the most intense and emotional "X-Men" movie ever made. It is the culmination of 20 years of the "X-Men" series. The family of mutants that everyone has come to know and love is about to face their most powerful enemy yet - and she happens to be one of them.