A naive senior student lives in the belief that once he receives his diploma, his life will suddenly improve. As soon as he receives the coveted crusts, the doors of opportunity will immediately open before him. While daydreaming and writing his thesis, he temporarily gets a job as a waiter and very soon begins to notice strange things happening in the diner. In the evening hours, silent people dressed in formal suits drop in on them and are escorted to a special door that is opened exclusively for them. The mystery of the door fascinates the naive student more and more, until one evening he is given the opportunity to look behind it...