4. Dex Takes a Holiday

Complete story — includes the ending

While Rita and the kids are out of town for a wedding, a police officer comes onto Dexter's radar. The officer is a kindred spirit, and highly suspicious of Dexter's motives. LaGuerta and Angel discuss full disclosure to the police department leadership about their relationship, pulling Dexter unwillingly into the middle of their problem. Meanwhile, Quinn's reporter girlfriend, Christine, uses their relationship to put out a story how Lundy's hunt for a phantom killer pulls time away from the Vacation Murders. This puts a strain on Lundy's retirement project when his visitor's pass to Miami Metro is revoked. Having to take the project out of the office, old sparks heat up between Lundy and Debra. At the end of the episode, Lundy and Debra are shot by an unseen assailant.