As a chief of staff in the National Assembly, Jang Tae-jun influences power behind the scenes while pursuing his own ambitions to rise to the top.
Seasons
2 listed
Status
Ended
Seasons
2 seasons
Episodes
20 episodes
First aired
Jun 14, 2019
Last aired
Dec 10, 2019
Episode length
45m
Network
JTBC
Latest episode:S2 E10 Weight of 6 Grams (Dec 10, 2019)
Season 1
10 episodes Jun 14, 2019 9.0
Jang Tae Joon graduated from the Korean National Police University and worked as a detective. He wanted to gain more power and decided to work in the National Assembly. Now, he is the chief aide to a 4-time lawmaker. He has excellent intuition, a cold-blooded decisiveness and a strong desire to win. He was able to place his lawmaker in the position of the party representative, but Jang Tae Joon has higher ambitions.
Meanwhile Kang Sun Young is a first year lawmaker who got elected through proportional representation and is a spokesperson for her party. She worked as a lawyer and hosted a current affairs TV program prior to becoming a lawmaker. She is ambitious and does her job well. Kang Sun Young has an awkward relationship with Jang Tae Joon, whose boss is a rival of the senior lawmaker who got her to become proportional representation lawmaker.
Season 2
10 episodes Nov 11, 2019 9.5
The real political players behind the spotlight take a dangerous gamble. Super Adviser Jang Tae Joon heads towards the peak of power and fiercely struggles for survival.
Jang Tae Joon worked as the chief aide to Lawmaker Lawmaker Song Hee Sub. He now returns as a lawmaker and achieves the height of his power.
I’ve always been drawn to stories about the people who pull the strings but never step into the spotlight. There’s something perversely fascinating about the machinery of power—the way it hums just out of sight, lubricated by whispers and handshakes and the quiet clink of glasses in back rooms. Chief of Staff, the 2019 South Korean political drama, doesn’t just acknowledge this shadow world; it drags you into it, seat by seat, until you’re complicit in its maneuvers. And that, I think, is the point.
The series follows Jang Tae-jun (Lee Jung-jae), a chief of staff in the National Assembly, a man whose job is to make things happen without ever being the one to take the credit—or the blame. It’s a role that requires equal parts charm, ruthlessness, and a preternatural ability to read the room. Lee plays him with the kind of coiled intensity that makes you lean in, even when you’re not entirely sure you trust him.
There’s a moment in the first episode where Tae-jun stands in the hallway of the Assembly, watching a heated debate unfold on a nearby screen. His face is unreadable, but his fingers tap against his thigh—a metronome counting down to the next move. It’s a small gesture, but it tells you everything: this is a man who is always thinking three steps ahead.
What Chief of Staff understands—and what so many political dramas get wrong—is that power isn’t just about the grand speeches or the public spectacles. It’s about the quiet moments: the phone call made at 2 a.m., the favor called in over a shared cigarette, the way a single raised eyebrow can shift the balance of a negotiation. The series thrives in these spaces, where the real work of politics happens not in the chambers of the Assembly but in its hallways, its parking lots, its late-night bars.
The camera lingers on these details, often framing characters in tight close-ups that emphasize the weight of their words. There’s a scene in the second episode where Tae-jun meets with a rival chief of staff in a nearly empty restaurant. The two men sit across from each other, their voices low, their expressions carefully neutral.
The tension isn’t in what they say but in what they don’t—every pause, every sip of water, feels like a negotiation in itself.
Buzz & Rumors
Public reports
Behind the Scenes of Chief of Staff: The K-Drama Powerhouse That Almost Kept Going
Chief of Staff (2019) stormed onto screens with a star-studded cast and a high-stakes political thriller premise, but behind the scenes, the series was just as dramatic as its on-screen power struggles. While the show’s cancellation after two seasons left fans hungry for more, glimpses from press events and industry chatter reveal a production that was as intense as its plotlines.
A Cast That Sparkled—On and Off Screen
YTYouTube·Shin Mina, Lee Jung-jae and Kim Dong-joon beams …
The series assembled some of Korea’s biggest names, including Squid Game’s Lee Jung-jae and Hometown Cha-Cha-Cha’s Shin Min-a, whose chemistry was a major selling point. A press conference clip shows the cast radiating charisma, with Lee and Shin playfully teasing each other—hinting at the camaraderie that likely fueled their on-screen dynamic. Kim Dong-jun, another key player, was also spotted beaming alongside them, suggesting a tight-knit ensemble that made the political intrigue feel even more electric.
YTYouTube·Chief Of Staff Season 3: Won't Be Return? - Prem…
But not all was smooth sailing. Industry insiders (via rumor mills like Premiere Next ) speculated that scheduling conflicts and creative differences may have played a role in the show’s abrupt end. While nothing was confirmed, the cast’s packed schedules—especially Lee Jung-jae’s post-Squid Game explosion—could have made Season 3 a logistical nightmare.
The Netflix Effect: A Global Push That Fell Short
YTYouTube·Chief of Staff | Official Trailer | Netflix [ENG…
Chief of Staff was positioned as a Netflix-backed project, with trailers and promotional clips hyping its international appeal. The streaming giant’s involvement likely meant bigger budgets and wider distribution, but it also came with pressure to deliver a hit. The show’s 6.7/10 rating on SensCritique suggests it resonated with some viewers but didn’t quite reach the cultural impact of other K-dramas.
YTYouTube·Chief Of Staff Season 3 Release Date And Who Is …
Rumors swirled about a potential Season 3, with outlets like US News Box even teasing release dates and cast confirmations. Yet, as Premiere Next later reported , those plans fizzled out—leaving fans with an unresolved ending. Whether Netflix pulled the plug due to ratings, creative fatigue, or behind-the-scenes tensions remains unclear.
What Went Wrong?
The show’s cancellation left many questions unanswered. Was it the pacing? The political themes that didn’t land with all audiences? Or simply bad timing? Without official statements, we’re left with speculation. One thing’s certain: Chief of Staff had the talent and the premise to be a long-running hit, but something—whether creative, financial, or logistical—derailed it.
For now, fans can only rewatch the two seasons and wonder what could’ve been.
Entertainment rumors and trivia aggregated from public reporting. Treat speculation as
unverified unless a cited source confirms it.
