Pretty Dirty Things. Rated R, 1h 37m. Okwe is an illegal Nigerian immigrant struggling to survive in London's underground. He works as a hotel receptionist in the nighttime and since he has a medical degree, he also practices medicine on the side. When he is offered a lot of money to perform illegal surgeries, he faces a moral dilemma. Bob Kagan, discussion leader, is a Professor of Communication at Central Connecticut State University and the University of Hartford.