Has Dexter Created a Monster?
Dexter (Michael C. Hall) woke up on the side of the road. He called Debra (Jennifer Carpenter), and she was fine. Hannah (Yvonne Strahovski) hadn't drugged Dexter and Debra to kill them; she just wanted Dexter's attention.
Hannah was married to a rich guy, who was able to buy her a new identity. Unfortunately, he was possessive and abusive. Hannah wanted Dexter to kill him, but changed her mind. Her husband knew all about Dexter, and threatened to out him. He even sent goons to beat him up, so he'd stay away. Dexter and Hannah still had feelings for each other, and he wanted to rescue her.
Dexter told Zach he'd train him, but didn't say when. Zach became anxious and showed up at Dexter's doorstep, which forced Dexter to introduce him to his neighbor Cassie. Dexter informed Zach they could never be seen together again, and told him to lay low until Dexter contacted him.
Zach was excited and tried to be good. He got Quinn off his back, and helped Dexter get into a ritzy club Hannah was in, so they could talk. He also promised Dexter he'd find a job, so he'd stop seeming like the weird guy who kept to himself and lived in his mom's basement. However, things got more complicated with Hannah, which kept Dexter distracted.