NCIS: Sydney wrapped the first half of its freshman season by shedding light on Special Agent Michelle Mackey’s tragic past — yet in doing so left us with at least two burning questions.

Showrunner Morgan O'Neill teases what's to come for JD and Mackey's budding romance on NCIS: Sydney Season 3. Here's what he said.

NCIS: Sydney’s Mackey and JD will be pushed to the limit when season 2 returns — and their dynamic is very different from season 1. “We left off with JD’s son being kidnapped by some ...

All it took was Mackey (Olivia Swann) almost losing her job for her to open up on NCIS: Sydney. Last we saw, it looked like Rankin (Lewis Fitz-Gerald) was involved in the kidnapping of J.D.’s ...

The Special Agent-In-Charage of the NCIS: Sydney unit, Ken Carter, has appeared via video calls to Mackey and JD. The director of NCIS, Leon Vance, has also been mentioned by name.

NCIS: Sydney offers a little insight into team leader Mackey (Olivia Swann) in the latest episode, with the investigation forcing her to open up about her past.

So far, there hasn’t been any romance on NCIS: Sydney, but could that change in Season 2? “Not to my knowledge, but everyone has their own interperation of things, so who knows?” Olivia ...

NCIS: Sydney showrunner Morgan O'Neill let us know Season 2's big bad will be revealed at the end of the season, and Mackey's court martial will factor in.

Related: NCIS: Sydney Star Olivia Swann Reveals Scariest of Australia's Dangerous Critters So, Season 2 has opened up the door to viewers getting a more in-depth look at the personal side of Mackey.

Penrose asks Mackey if she’s “of the CSI,” which reminded me of the TSA agent in the NCIS series premiere asking if NCIS is anything like CSI. Morgan O’Neill: Yeah, that’s a direct nod.

NCIS: Sydney wrapped the first half of its freshman season by shedding light on Special Agent Michelle Mackey’s tragic past — yet in doing so left us with at least two burning questions.