Suspicious Partner (2017) Review: Rom-Com Meets Killer

Is Suspicious Partner worth watching?

Yes. Suspicious Partner is a genuinely entertaining hybrid, a sparky workplace romance that keeps a dark murder mystery ticking underneath it, and its two leads make the combination work. Ji Chang-wook and Nam Ji-hyun have the kind of easy comic rapport that carries viewers through the show’s wilder turns. The reservation is length and structure: the thriller plot repeats itself in the later stretch, and the balance between laughs and dread can feel jarring rather than clever.

What is Suspicious Partner about?

Noh Ji-wook (Ji Chang-wook) is a brilliant, sardonic prosecutor. Eun Bong-hee (Nam Ji-hyun) is a trainee lawyer whose first encounter with him goes about as badly as a meet-cute can. Their paths cross again at work, and then far more seriously when Bong-hee finds herself the prime suspect in the murder of her ex-boyfriend. Ji-wook becomes convinced she is being framed and ends up in her corner, and from there the two are bound together professionally and personally.

The real killer, meanwhile, has not finished with them. Around the central pair are Ji-wook’s friend and fellow lawyer Ji Eun-hyuk (Choi Tae-joon) and his ex-girlfriend, prosecutor Cha Yoo-jung (Kwon Nara), whose presence complicates the budding romance.

Suspicious Partner was written by Kwon Ki-young and first aired in South Korea in 2017. It is in Korean, and it was broadcast as 40 half-hour episodes, though some streaming services package it as 20 longer ones. This review covers the complete, finished single season.

Two leads who make banter look easy

The romance works because both actors commit fully to the comedy. Ji Chang-wook, better known at the time for action roles, turns out to be a deft physical comedian, and he plays Ji-wook’s arrogance with enough self-awareness that the character never becomes insufferable. Nam Ji-hyun gives Bong-hee a scrappy, cheerful stubbornness; she is often the butt of the joke but never a pushover.

Their dynamic is built on bickering, reluctant cohabitation and a steady stream of embarrassing mishaps, all familiar rom-com material, but the timing is sharp and the affection between them grows convincingly. The legal cases they take on add variety and give both characters chances to prove their competence.

A thriller that refuses to stay in the background

What distinguishes the series from a standard office romance is how seriously it takes its villain. The murder plot is genuinely unsettling, with scenes of stalking and threat that land harder than most viewers will expect from a show this light. At its best, the switch between a slapstick scene and a chilling one is part of the fun, a reminder that danger is always close to the lovers’ comfortable routine.

The half-hour format helps. Episodes are short and punchy, often ending on a hook, which makes the show easy to binge in large chunks.

Where the middle stretch sags

The trouble is that twenty hours is a long time to sustain a single cat-and-mouse story. In the back half, the killer plot circles back on itself, new obstacles feel manufactured to delay the resolution, and the romance marks time while the mystery catches up. Kwon Nara’s Yoo-jung is also handled inconsistently, shifting between rival and ally in ways that serve the plot more than the character. None of this is fatal, but a shorter run would have been a sharper one.

Who should watch Suspicious Partner?

It suits K-drama fans who like their romance with a thriller edge, and viewers who enjoy legal procedurals with a comic tone. Budget around 20 hours in total. Expect violence, murder, stalking and moments of real menace alongside the comedy, which makes it more intense than a typical rom-com; there is little in the way of explicit content.

If you enjoy it, try these next:

• Healer for Ji Chang-wook in full action-hero mode, with romance and conspiracy woven together.
• While You Were Sleeping, another 2017 series that pairs a prosecutor with romance and suspense.
• Flower of Evil for a darker, more tightly plotted blend of love story and killer thriller.

The verdict

Suspicious Partner is a romantic comedy with a knife behind its back, and it is most fun when those two moods collide. The second half drags and the thriller logic wears thin, but Ji Chang-wook and Nam Ji-hyun are a delight together, and their chemistry makes the long run worthwhile.

Rating: 4/5