His work, marriage and general life is governed more by habit and routine than anything, leaving him to ponder over the attractions of his colleague Marta with whom he suspects his boss may be having a relationship. When a young girl enters the office asking if anyone knows a man called Nelson Jara, the three architects deny all knowledge, but they do know him. He was involved in a claim that one of the practice's projects caused a crack in the wall of his apartment and how this was resolved is something all three of them would rather forget.