Build a movie plot around this: Who Kills Roger? Roger is killed by the cleanup crew.
A group of scientists are working on a serum called Death One, which reanimates the dead. When Dr. Alan Holder (Robert Marius) and his assistant Norma experiment on a human corpse, the corpse becomes a zombie, prompting Dr. Holder to resign from the project. As he prepares to surrender the serum to waiting military officers, a small group of criminals ambush the center; all but one are killed, and the surviving criminal manages to abscond with Death One. During a chase, the container with the serum is shot out of his hand and breaks; as he tries to pick it back up, he accidentally touches the serum. He flees to the Sweet River Resort and settles in Room 4. General Morton (Mike Monty) promises Dr. Holder that he and his men will capture the criminal. By the time they catch up to him, however, he has already succumbed to the disease, but not before infecting a bellhop and killing a maid before finally cutting off his own hand in a failed attempt to stop the spread of the infection. General Morton orders the patrons and staff killed and buried in a mass grave, and condemns the resort; the criminal's remains are delivered to him and his right-hand men, Tracey (Bruno Mattei) and Cheney (Claudio Fragasso), and burned. As Dr. Holder and Norma fear, the ashes quickly infect the air, killing an entire flock of birds passing by.Meanwhile, a trio of GIs on vacation are on the lookout for some girls to make out with during their holiday; they find several on a nearby bus. Among the bus's passengers are Nancy (Ulli Reinthaler), Carol (Marina Loi), Lia (Deborah Bergamini), Suzanna (Mari Catotiengo), Jane, Jane's boyfriend Tom, and the bus driver, Joe. Not too far away, another passenger from the bus, Patricia (Beatrice Ring) and her boyfriend Glenn discover the dead birds and are promptly horrified as the birds reanimate and attack, with Glenn being pecked and clawed repeatedly. The birds then assault the bus while the GIs attempt to extricate everyone from it, but not before Lia gets bitten. Patricia and Glenn stop at a...