Mission Mangal follows a team of Indian scientists at ISRO who, despite limited resources and institutional challenges, come together to plan and execute a mission to place a satellite into Mars orbit. The narrative interweaves personal backstories of team members—portraying their struggles, motivations, and relationships—while building toward the technical and emotional climax of launch and mission success. The film blends factual milestones with dramatized events and interpersonal subplots for cinematic effect.