The film begins with the nation of Wakanda mourning the death of King T’Challa. The grief of the Wakandan people is palpable, and the impact of his loss is felt deeply by his family, including his sister Shuri (Letitia Wright), his mother Queen Ramonda (Angela Bassett), and his former lover Nakia (Lupita Nyong’o). Shuri, a brilliant scientist, struggles to cope with the loss of her brother and throws herself into her work, grappling with the immense pressure of potentially stepping into his shoes.

As Wakanda faces political and social upheaval, a new threat emerges from the depths of the ocean. The underwater kingdom of Talokan, led by Namor (Tenoch Huerta), poses a significant danger to the surface world. Namor, a powerful and enigmatic ruler with his own motivations and grievances, views the emergence of Wakanda as a potential ally or adversary. His kingdom, rich in vibranium, adds complexity to the global dynamics and the struggle for this rare and powerful resource.

Queen Ramonda and Shuri must navigate these turbulent waters, balancing their grief with the need to protect their nation. The film delves into the rich cultural heritage of both Wakanda and Talokan, exploring themes of legacy, power, and responsibility. As the story unfolds, Shuri’s journey becomes central, evolving from a grieving sister into a leader capable of honoring her brother’s legacy while forging her own path.