Ganja & Hess

Ganja amp Hess is a 1973 experimental horror film written and directed by Bill Gunn and starring Marlene Clark and Duane Jones. The film follows the exploits of anthropologist Dr. Hess Green Jones who becomes a vampire after being stabbed by his intelligent, but unstable, assistant Gunn with an ancient cursed dagger. Green falls in love with his assistants widow, Ganja Clark, who learns Greens dark secret.

The film follows Dr. Hess Green Duane Jones, a wealthy black anthropologist who is doing research on the Myrthians, an ancient African nation of blood drinkers. One night, while staying in Greens lavish mansion, richly decorated with African art, Greens unstable assistant George Meda writerdirector Gunn threatens suicide. Green successfully talks him down, but later that night Meda attacks and stabs Green with a Myrthian ceremonial dagger, and then kills himself. Green survives, but on discovering the body, drinks Medas blood he has become a vampire endowed with immortality and a need for fresh blood. Though he steals several bags of blood from a doctors office, he finds that he needs fresh victims.Soon, Medas estranged wife, Ganja Meda Marlene Clark, arrives at Greens house searching for her husband. Green and Meda quickly become lovers, and she moves into Greens expansive mansion. When she unwittingly discovers her husbands corpse frozen in Greens wine cellar she is initially upset, but then agrees to marry her host, who turns her into a vampire as well. Ganja is initially horrified by her new existence, but Green teaches her how to survive. Soon, he brings a young man home, who Ganja seduces and then kills. The two vampires dispose of the body in the water. ........

Source: Wikipedia