The episode follows the Reyes brothers, EZ and Angel, as they navigate the fallout of discovering who was truly responsible for their mother’s death. The title, Kukulkan , refers to the Mayan feathered serpent god, symbolizing a period of transformation, rebirth, and often, a storm before the calm.
: Formerly a Mexican enforcer, Felipe's dark past and his desire for revenge for his wife's death drive much of the season's underlying tension.
: Kukulkan is a feathered serpent deity closely related to the Aztec god Quetzalcoatl.