An Idle Mind Is the Devil's Playground (2016) online

It is November of 1960 and retired musician Sid Kottler has been living alone in his over-sized home for the past 13 years. His severe case of anthropophobia prevents him from entertaining the company of anyone... or even the slightest of human interaction. When he awakens one morning with an unforgettable character he recognizes from a very recent encounter of sorts, he realizes that he may not be alone anymore. In fact, Sid may even play party host to an ensemble of friends... but not by invitation