Devil's Hill (1988)

The two musicians, El Cacique and Michael Dowle, meet at a London concert. El Cacique invites Michael to come to Venezuela. When he arrives in Venezuela's metropolis Caracas he discovers a terrible bloodbath in Cacique's mansion. He's then pursued by Cacique's murderers. It's only with the help of Xiomara and Daniele that he can escape. The key to the murders lies in Devil's Hill. A relentless and merciless struggle for survival begins. What did Cacique find out about Devil's Hill and why did these brutal murders happen? (Translated from German VHS blurb)