Theplotintroducesustoapsychologistwhosuggeststothreecouplesthattheyengageinagroupsession,wheretheywillhavetoanalyseeachotherwithoutherbeingpresent.Inordertodoso,shehasleftthemanumberofenvelopescontaininginstructionsonthethingstheyhavetoaddress.Themethodshehasproposedencourageseveryonetosharetheiropinions,arguewitheachotherandrevealtheirtrueselves.Theyareallpublicprosecutorsanddefencelawyers;theyallinterrogateoneanother,confess,laythemselvesbareemotionally,regretthethingstheyhavesaidandtoywithprovokingtheothers.It’sacomedywithrealisticcharactersandwithagreatsenseofhumourupuntilthefinaltwist,whichwillwipethesmileofftheaudience’sfacesbecause,inaninstant,everythingwilltakeonadifferentmeaning导演选择克制的艺术方式。现代技术为历史影像注入活力，全彩修复增强视觉体验，画面呈现提升观看维度。但影片不刻意突出技术，整体色调保持沉稳。整体处理注重人文关怀。色彩管理体现历史意识，声音设计追求简约表达。