L Is For (2017) online

A simple-minded con-man walks into a karaoke with the goal of conning some money out of it's patrons. Inside, the con-man meets a variety of jaded and corrupt characters, one of which is Sia. Sia and the con-man form a connection based on their mutual child-like qualities, and their mutual habit of lying (Sia lying to herself, and the con-man lying to others). Sia tries to convince the con-man to go on a trip with her, a trip towards death; a couple suicide. This event leads to an explosion of chaos for the con-man, giving him the worst day of his life