Dexter: 2x05 - The Dark Defender

• Lila advises Dexter to seek closure in regards to his mother's murder
• Dexter learns that his mother was Harry's informant and lover, which is what got her killed
  
• Dexter goes to confront the only living and un-jailed murderer; he is about to kill him, but he phones Lila and she talks him out of "using"
  
• Deb reads cute gym guy's his emails and freaks when she thinks he is writing a book about her; it was really just a kids book
  
• Deb and Lundy check out the marinas that match the algae; Lundy has 24 hour surveillance set up
• The cameras appear to catch Dexter checking his boat for traces of blood using a black light
  
• Rita's mom wants Dexter and Rita to break up; she moves in with them
  
• Lila reveals she burned down her ex-boyfriend's house, killing him in the process