Alicia Collinson and her partner, Sir Giles Milton QC have a dinner party to host in the Chelsea home they share, but they are unaware of an extra guest; the ghost of Alicia's dead twin brother. Alicia poses a surprising question to Sir Giles and their guests:—-“Do you think lying is endemic in society today?” They all have different answers based on their experiences, but what was the purpose of her question and how did her brother die?