She tries to convince the supervisor to let her go to the toilet otherwise she will be wetting the parquet. But he doesn't let her and she has to stay for more desperation. She thinks he doesn't understand the seriousness of the situation, so she begs him to stop filming and let her go. But no, he doesn't. She can't hold it any more and a few drops start trickling out. She has minutes of agony and she stands in a pool of liquid before he realizes.