Into every generation a slayer is born: one girl in all the world, a chosen one. She alone will wield the strength and skill to fight the vampires, demons, and the forces of darkness; to stop the spread of their evil and the swell of their number. She is the Slayer.
Firefly is set in the year 2517, after the arrival of humans in a new star system and follows the adventures of the renegade crew of Serenity, a “Firefly-class” spaceship. The ensemble cast portrays the nine characters who live on Serenity.
Agent Phil Coulson of S.H.I.E.L.D. (Strategic Homeland Intervention, Enforcement and Logistics Division) puts together a team of agents to investigate the new, the strange and the unknown around the globe, protecting the ordinary from the extraordinary.