The plot introduces us to a psychologist who suggests to three couples that they engage in a group session, where they will have to analyse each other without her being present. In order to do so, she has left them a number of envelopes containing instructions on the things they have to address. The method she has proposed encourages everyone to share their opinions, argue with..时光荏苒，岁月如梭，但那份初心，却始终如一。