Houseboat Horror

Houseboat Horror is an Australian slasher film released to video in 1989.

A film crew composed of media types and party animals from the city embark on a road trip to record music videos of a hardliving rock band at rural Lake Infinity.A hitchhiker is shocked by the grisly discovery of her friends dead body. Alone and forced to run through dense scrubland to escape an unseen assailant, she fails to evade the killer and is stabbed multiple times. ........

Source: Wikipedia