Isaak Sirko learns that the Koshka Brotherhood has sent two assassins to Miami to eliminate him. Surprisingly he turns to Dexter with a proposition: help him eliminate the assassins in return for his life. Dexter's not too keen on the proposal and turns him down. Isaak acquires a trump card however: he's taken Hannah hostage and now offers him her life as well. Dexter also has to deal with Deb who is embarrassed by her earlier admission to Dexter that she's in love with him. Hannah meanwhile keeps trying to get Dexter to open up to her. Captain LaGuerta approaches her...