"NCIS: New Orleans" Season 3 is all set to come back with Episode 13 next week with the title "Return of the King." The episode is an interesting one and it will also see the return of Sebastian who will be joining the NCIS team as a special agent.

The promo for Episode 13 has already been released and it suggests that the NCIS team undertakes the mission to search an underground group of hackers that was co-founded by Elvis Bertrand, an old contact of Pride, reports Spoilers Guide.

The mission begins after thousands of classified government files go missing and the team has to track down the ones who are behind this theft. To solve the case, Sebastian (Rob Kerkovich) is also joining the team as a special agent, reports TV.com.

The forensic scientist has passed his exam and will be assisting Pride along with others in the case. He will also get to do his fair share of action and if fans remember he has already proved how important he is to the team. He always wanted to become a special agent and in the last episode he also helped the team in averting a major catastrophe from taking place.

The previous case that Sebastian assisted in began when the dead body of a lieutenant was fished out of the sea. It carried a big wound on the stomach which led Pride to call him as no other member was able to solve the mystery. As per the rules, Sebastian could not assist and his training officer also told him that he could fail the exam as he was breaking the rules.

However, he said that it did not matter and helping his team was more important than the badge. He eventually joined his team and helped Pride lead in the right direction by telling him that a welding torch could have been used to murder the lieutenant. Later, NCIS found out that he had been murdered on his own boat and the killer was his brother-in-law. Well, it would be interesting to watch out how he comes to the rescue of his team this time.

"NCIS: New Orleans" Season 3 Episode 13 titled is scheduled to air on Feb. 7, on CBS.