Theplotintroducesustoapsychologistwhosuggeststothreecouplesthattheyengageinagroupsession,wheretheywillhavetoanalyseeachotherwithoutherbeingpresent.Inordertodoso,shehasleftthemanumberofenvelopescontaininginstructionsonthethingstheyhavetoaddress.Themethodshehasproposedencourageseveryonetosharetheiropinions,arguewitheachotherandrevealtheirtrueselves.Theyareallpublicprosecutorsanddefencelawyers;theyallinterrogateoneanother,confess,laythemselvesbareemotionally,regretthethingstheyhavesaidandtoywithprovokingtheothers.It’sacomedywithrealisticcharactersandwithagreatsenseofhumourupuntilthefinaltwist,whichwillwipethesmileofftheaudience’sfacesbecause,inaninstant,everythingwilltakeonadifferentmeaning.