'NCIS: Hawaii Season 2' ended with Tennants past returning to haunt her as she becomes a prime suspect in the death of a former MI6 agent. In an attempt to prove her innocence, and catch the real killer, she seeks the help of her CIA mentor and friend, who ends up becoming a fugitive by the end of the season. The third season begins where Season 2 ended, so it will likely show Jane trying to track her friend down.