 The third act takes place in the Towsend Thanatorium Boardroom and opens with a comic discussion between two medical students, Medical Dick and Medical Davy, and a charwoman; during the course of their dialogue, it is revealed that Lily Foley has contracted syphilis.The Board is engaged in a plan to build a shamrock-shaped mortuary chapel for Protestants, Catholics, and Nonconformists, which is criticised as useless and frivolous by Dr. Tumulty, a cynical, practical-minded doctor.Tully, now a member of the Dublin Corporation, arrives to broker the sale of some tenement property as a site for the project.