When Horatio's nemesis, Walter Resden targets someone from their past, Horatio tries to stop him. Also Delko's relationship with Natalia is tested when she thinks she may be pregnant.

From what appears to have been a horrible car accident that claims the life of a woman actually turns out to be a murder case. The evidence turns up more information and another body. During the investigation Natalia confesses a secret history of marital abuse in order to help the case to be solved.