Jake eventually did find out, and wanting to protect Jo, he and his brother had a feud that ended when his brother hired men to kill him. Jo knew nothing of this. She continued her affair with Jess but kept a close watch on Jake. Jess became irrational and never let her spend time with her friends, causing her to stress the relationship. Finally, when Jess proposed to her, she told him they may have needed to take some time to really think about their relationship. This did not go well. Jess beat her up. When Jake found out, he knew that Jess wanted to steal Jo away from him the whole time and got in a fight with Jess that ended up with Jess falling to his death.