Episode Title: SWIM DEEP
Summary: While trying to uncover why someone was killed on his boat, Dexter must out-maneuver a vengeful Isaak. New leads are brought to light on the Wayne Randall case by Hannah McKay, Randall's alluring former accomplice who Dexter discovers has a secret.
Airing Date/ Time: October 28, 2012/ 9:00 P.M.