This episode begins with Dexter, his relationship with Deb is back on an okay level. Dexter discovered the blood on his boat, Louis has been killed by Isaak on his boat. Maria told to Deb that she found a blood slide on the Travis Marshall crime scene. Dexter discovered that Louis has been killed on his boat. Dexter had a phone conversation with Isaak. Dexter is in real danger now. Angel and Dexter interview Hannah to find corpses back. Dexter and Deb moved to a hotel to be save from Isaak. Deb and Maria visit Tyler Barnes, his father has been killed by Dexter in the past. Hannah killed a woman, Dexter discovered this but he is protecting her. Dexter got followed by Isaak. Isaak killed 3 Columbians at a bar, Dexter setup this plan to arrest Isaak. Isaak got arrested by the police, Dexter's plan worked. Dexter visits Isaak at jail. Deb shows the picture from a wedding to Dexter, he killed a man and this was evidence to arrest Dexter. Dexter burns the photo. Nice episode of Dexter Season 7, Isaak has been taken down. But this doesn't mean that Dexter and his friends and family are save!