Carol Danvers has been to the depths of outer space and back, but that still didn't prepare her for her newfound status as the greatest there is. She returns to her helm as Alpha Flight commander with the world cheering her on, but has Captain Marvel become someone she no longer recognizes? She'd rather focus on the job, so when her crew discovers that a shady character is hunting for alien-refugee children, Carol jumps on the case. But an elusive enemy draws closer to destroying everything she and her Alpha Flight teammates have sworn to protect!