James Rigby, a medical student, is hired by self-described coroner Oliver Cross. After attending a coroner's inquest, James is left puzzled as he observes the witnesses' odd testimonies and Oliver's strange lack of professionalism.

Oliver's explanation of his business is interrupted by Mary, his niece. Later, James inadvertently witnesses a terrible event. The next day, Oliver and James visit a familiar corpse - and Mary has an interesting story to tell.

James' visit to his family for the weekend is cut short by an appearance from Oliver. Meanwhile, in London, Mary discovers something gruesome.

James devises a plan to trick Thomas into a confrontation. Oliver contemplates the future of his business.