Possessed by the Night

Possessed by the Night (1994) is a thriller, horror directed by Fred Olen Ray rated 4.6/10.

A horror writer buys an odd looking mutant embryo creature, pickled in a jar, from a shop in Chinatown, hoping it will be a creative inspiration for his work. Instead, the odd mutation provokes a rage of violence and lust to envelop the suburban villa where the writer lives with his wife and sexy secretary.