A First Kiss, A First Kill

Now that Jordan Chase is aware of their partnership, Dexter and Lumen prepare for the worst and send Harrison to live with Astor and Cody in Orlando for the time being. Lumen visits Emily Birch, the woman whose blood was in Jordan's vial, and discovers the identity of the fourth rapist - a banker by the name of Alex Tilden. 

Meanwhile, Debra finds a set of thirteen DVD's in Cole's house, all containing recordings of women being raped, and Liddy witnesses Lumen and Dexter plotting a murder with his surveillance equipment.

Meeting the Family

After identifying Jordan Chase as one of Lumen's rapists, Dexter and Lumen attempt to plan how to take him down, but are distracted by Astor's sudden return to Miami. Meanwhile, Debra is reassigned to the file room after her suspension and manages to uncover new evidence in the Barrel Girls case, much to LaGuerta's dismay.

Primal Instinct

While visiting a Jordan Chase seminar in Miami, Dexter plans and prepares for Cole Harmon's impending demise, while Lumen gathers all the supplies needed. Meanwhile, Lumen's ex fiancee, Owen, pays her a visit, Debra faces the consequences of the Club Mayan shootout, and Liddy makes substantial progress in his own investigation of Dexter and Lumen.

Nightclub Shootout

Now fully involved in Lumen's plight, Dexter does some research into the other rapists involved and comes across the third one - Cole Harmon, Jordan Chase's head of security. However, the Homicide department is now onto the Barrel Girls case, after the car carrying the barrels was hit by a drunk driver. Meanwhile, the Santa Muerte case reaches its grisly climax at Club Mayan, and Liddy informs Quinn about Lumen.

Warehouse 12 Blues

Under the impression that Lumen has returned home to Minnesota, Dexter falls back into his normal routine - working, raising Harrison and murdering killers. After picking up his latest victim - a killer by the name of Lance Robinson - Dexter finally feels as if life is starting to return to normal. That is, until, Lumen calls asking Dexter for help in disposing of a body.