The Question and Answer section for Tess of the D'Urbervilles is a great resource to ask questions, find answers, and discuss the novel.
Nothing really "good" happens to any of the characters in Tess. They shape each other's lives but suffering is the common denominator for all of them.
For Alec, everything relating to Tess is about control and desire. He believed that his social status and wealth gave him the right to possess and control Tess after he gives her a job caring for his mother's chickens. After seducing Tess,...
The main theme in the conlcusion of the novel is fate... the inability to escape fate.