"The Fly II" is a 1989 science fiction horror film directed by Chris Walas. It serves as a sequel to the 1986 film The Fly, which starred Jeff Goldblum. The story follows Martin Brundle, the son of the original film's protagonist, as he inherits his father's genetic experiments and struggles with his own transformation into a fly-human hybrid. As Martin's condition worsens, he faces the consequences of his father's work and the ethical dilemmas surrounding scientific experimentation. The film explores themes of identity, mutation, and the impact of technology on humanity, while featuring practical effects that highlight the horror elements of the narrative.