Gus, a drug addict publicist is locked in his bathroom due to a missing knob, which has been temporarily removed for renovations in his new office. During his stay in the bathroom, he cannot take the drugs he is used to, so he turns to cleaning products instead. From this, he invokes an imaginary creature called "The Mop" that, despite his gruesome appearance, will make Gus get out of the bathroom completely cured of his addiction.

A low-budget horror movie director gets in touch with an eccentric who tries to film him while high on drugs.