“Blade: Trinity” is the final installment in the Blade film trilogy. Blade (Wesley Snipes) continues his fight against vampires, but is dealt a severe blow when they manipulate human law enforcement into arresting him. Left with no allies, a young group of vampire hunters called the Night Stalkers come to his aid. As the vampires unleash Drake (Dominic Purcell), the first of the vampires, Blade and the Night Stalkers attempt to perfect their newest weapon: a virus that will destroy every vampire on the planet, ending the battle once and for all.