Diana Prince leaves Themyscira during World War II after learning of a global conflict threatening humanity. She encounters Rick Flag Sr., a dedicated soldier on a secret mission against Nazi forces, who reveals that Per Degaton, a time-manipulating villain, is collaborating with Adolf Hitler to alter history in favor of the Axis powers. Inspired by the plight of humanity, Diana joins Flag and a team of Justice Society of America heroes, including Hawkman, Doctor Fate, Al Pratt (the Atom), Red Tornado, Starman, and Wildcat.
As they combat Nazi soldiers and thwart Degaton’s schemes, Diana struggles with her identity and the complexities of human nature. The team embarks on a daring mission to prevent Degaton from using his powers to change pivotal events of the war. In a climactic showdown, Diana faces Degaton and Hitler, showcasing her incredible strength and combat skills.
Ultimately, Diana and her allies defeat Degaton, ensuring the timeline remains intact. Through her experiences, she learns that true heroism encompasses compassion and hope for humanity.
Post Credits: back on Themyscira, Hippolyta reveals an ancient scroll depicting Darkseid, warning Diana of an impending cosmic threat, hinting at challenges that lie ahead.
