Benavidez is a frustrated art teacher, argues with his wife and seeks refuge in his psychiatrist's house. He becomes a victim of the house system, and at the end of the road he will change his life and his destiny forever.

Four friends meet after a long time to watch the Brazilian World Cup final between Argentina and Germany. After some discussion, they decide to make a bet that will end up revealing secrets they have been keeping for a long time.

Upon entering an abandoned house in the middle of the night, a girl and her father discover the body of a man who resembles the father. Their initial reaction is to flee the scene, but they decide to stay and begin to investigate the reasons behind this strange coincidence through a notebook found next to the body that is filled with writing.

The mad half hour refers to a condition usually indoor house cats experience once a day. They are about expanding energy in one concentrated burst that goes from 15 to 30 minutes, without any apparent reason. The Mad Half Hour is an offbeat comedy following Juan (30) who is going through a period similar to the one of these cats.