Black Manta seeks revenge on Aquaman for his father's death. Wielding the Black Trident's power, he becomes a formidable foe. To defend Atlantis, Arthur (Aquaman) forges an alliance with his imprisoned brother. They must protect the kingdom.

'Aquaman and the Lost Kingdom' offers vibrant underwater visuals and thrilling action, with strong performances from Jason Momoa and Patrick Wilson. However, the film faces criticism for its predictable script, inconsistent CGI, and superficial handling of themes like climate change. While Momoa and Wilson's dynamic is praised, the supporting cast and villains are often seen as underwhelming. The sequel is deemed entertaining but flawed, struggling to match its predecessor's success.