At the start of the 17th season, the NCIS team is following a highly controversial case after the body of the Marine lieutenant was found under the wheels of the car. The team begins to track the case and try to locate the crime and the suspect. Sloan, on the other hand, encourages progress and the team's attempt to take on new challenges.
Yup, Ziva has definitely returned. It was certainly understandable why she had played dead after her father's farmhouse was blown up on NCIS Season 13 Episode 24.