Blue Sunshine is a 1977 American horror film written and directed by Jeff Lieberman, and starring Zalman King, Deborah Winters, and Mark Goddard. The plot focuses on a series of random murders in Los Angeles, in which the only common link between the perpetrators is a mysterious batch of LSD that they had all taken years prior.
Over the years, the film attracted a cult following,[3][4][5] and was released on special edition DVD by Synapse Entertainment in 2003. It has been shown at many film festivals since.[6]