After Dexter found Travis they become partners. But Travis doesn't have any interesting information.
Though Dexter figured out possible next victim - atheist professor. He tried to prevent homicide and kill Gellar, but wasn't successful because of elevator shot down.
Police found professors body. After touching victim's arm whole team had a blood bath.
Quinn is still a mess. Lost his gun and screwed with not MILF type lady, had a fight with Angel.
Debra wants to renew the case of drug addict girl. Laguerta tried to stop her but Debra insisted. And after this arguing Laguerta meets the chief of police, so he's involved. God, this guy learns nothing!
Now we know who bought a hand of Ice Truck killer victim.
In the end Dexter found Gellar in the fringe. And it is obvious that Travis has multiple personality disorder.
Really cool plot turn!