An ordinary morning that turns into a nightmare
Gregor Samsa wakes up one ordinary morning and discovers, lying on his back in his own bed, that he has turned into a monstrous insect, with a hard shell and several thin legs flailing in the air. There is no explanation for the transformation: no doctor is called, no cause is investigated, the fact simply happened while he was asleep.
The strangest part is not the new body, it's Gregor's reaction to it. Instead of despair over his appearance, his first worry is a practical one: he is going to miss his work train. He has spent his whole life as a traveling salesman, selling fabric from town to town, and in that first moment the clock weighs more on him than his own transformed body.
That inversion drives the whole story. Kafka doesn't explain why the metamorphosis happens, he shows what happens when the body that supports an entire household suddenly stops being able to produce.
