Two married couples who met at a drinking party. After crossing the line, one proposes exchanging contact information. Fearful that their affair would be exposed if they exchanged numbers, the woman tells her lover that she wants to continue their relationship without using her phone. The two meet for dates every week on a designated day, without using their phones... They continue their physical relationship. The two, who enjoy the inconvenience of being analog without phones, have a perfect affair without leaving any evidence.