TL;DR: The Good Daughter uses a small-town school shooting to unlock a devastating family story, powered by superb work from Meghann Fahy, Rose Byrne and Brendan Gleeson. The mystery is occasionally predictable, but the sisters make all six episodes worth it.
Peacock’s The Good Daughter hands you a gun, a dead principal and a town that has already picked its villain, then quietly turns out to be about something else entirely. Karin Slaughter developed and wrote the six-episode series from her own novel, so this isn’t a case of a studio sanding the edges off a bestseller. The setup is simple: in the fictional town of Pikeville, Georgia, a teenager named Kelly (Shayna Benardo) is arrested for shooting her principal and a classmate. Local defense attorney Rusty Quinn (Brendan Gleeson) jumps in to represent her. That pulls in his two lawyer daughters, Sam (Rose Byrne) and Charlie (Meghann Fahy), who have spent years orbiting each other at a careful, painful distance.
What I appreciate most in this The Good Daughter review is how the show treats the school shooting as the door rather than the room. The present-day case keeps the plot moving and gives every episode a clear question to chase, but the emotional weight sits decades back, in a home invasion aimed at Rusty that killed the girls’ mother and left Sam with lasting physical injuries. Think of it like a game with a main quest you need to finish and a hidden questline that turns out to be the actual story. If you came for a tidy procedural, you’ll get one. If you came for something closer to Sharp Objects or Mare of Easttown, where a small town’s rot and a family’s grief feed each other, you’ll get a lot more.
Rose Byrne and Meghann Fahy make every argument feel earned
On paper, the Quinn sisters look like a template. One fled to Manhattan and built a controlled, orderly life, while the other stayed home and became the messy, defiant one following her father into the most unpopular job in town. The show knows this, and its smartest move is refusing to let either woman win the moral argument. Each sister is right about the other in ways that sting, and each is blind to her own part in the damage. That balance keeps their scenes unpredictable, because you genuinely can’t tell whose side the episode will land on. Byrne, who American audiences have trusted with prestige drama since Damages, plays Sam as someone whose body is a permanent record of the worst day of her life, and she finds real tenderness under all that rigidity.
Fahy, though, is the reason this series works, and it’s the strongest showcase she’s had yet. After her Emmy-nominated turn in The White Lotus and the gleefully pulpy Drop in 2025, she gets a role here with real layers to dig into. Charlie survived the same tragedy but has spent her life convinced her pain doesn’t count, because her sister and mother paid a higher price. Fahy plays that self-erasure as stubbornness, which is exactly how people who refuse to ask for help usually behave in real life. Her performance drives the plot forward, and by the final episodes it becomes clear the whole series is built around where Charlie ends up. The sibling chemistry swings between grief, resentment and genuinely funny sniping, and it never feels like two actors performing a dynamic rather than living in one.
Brendan Gleeson’s Rusty Quinn steals scenes without stealing the show
Gleeson is having an absolute blast as Rusty, a hard-drinking, sharp-witted lawyer who’s easy to adore from a distance and exhausting to share a kitchen with. He plays the fool deliberately, the way some lawyers in courtroom dramas lull opponents into underestimating them, and it’s a delight to watch him switch gears. Crucially, Rusty doesn’t take Kelly’s case because he believes she’s innocent. He takes it because he understands how Pikeville’s justice machinery actually works and doesn’t trust it to treat anyone fairly. That makes him more interesting than the usual crusading defender, and it also explains why the town treats the whole Quinn family as an infection.
The supporting cast deserves credit for avoiding the trap most small-town mysteries fall into, where secondary characters exist only as suspects or exposition dispensers. Harper Steele brings sharp wit to the role of a loyal office manager, Michael Dorman plays a steady and warm ex-husband, and Jake McDorman adds charm as a local presence who’s more than a pretty face. Each of them gets a little more texture than the genre usually allows. It makes Pikeville feel lived in rather than staged.
The whodunit stumbles where the family drama soars
Not everything lands with equal force. The central mystery resolves sensibly, but it leans on a few genre habits you’ll recognise if you’ve watched enough prestige crime TV, and if you’re the kind of viewer who reads a cast list like a Clue card, you may solve the case before the show wants you to. It’s the classic Ace Attorney problem, where spotting the suspicious witness early takes some sting out of the big objection. There are also stretches where the plot twists so often that the momentum feels engineered rather than organic.
Luckily, the show seems aware that the case is not its strongest card. The revelations tied to the Quinn family’s past hit much harder than anything in the shooting investigation, and they reframe earlier scenes in ways that reward attention. Slaughter’s script handles trauma, disfigurement, survivor’s guilt and the grief of mourning the person you were supposed to become with real seriousness. It never turns pain into spectacle, and it gives both sisters room to be furious, funny and wrong.
Who should stream The Good Daughter
If you loved Big Little Lies, Sharp Objects or Mare of Easttown, this is an easy addition to your watchlist, especially since six episodes means no filler-season fatigue. Fans of Karin Slaughter’s novels should be pleased that the author steered the adaptation herself. Viewers who mainly want a fiendishly clever puzzle might find the core mystery a little thin. Anyone sensitive to depictions of gun violence or violent home invasions should know those events are central to the story, even if the show isn’t gratuitous about them.
Verdict
The Good Daughter is a gripping, emotionally serious Southern mystery that succeeds mainly thanks to the people at its centre rather than the case on its docket. Meghann Fahy delivers a career-best performance, Rose Byrne matches her beat for beat, and Brendan Gleeson adds just enough mischief to keep the heavy material from getting suffocating. The whodunit side can be predictable, and some twists feel more mechanical than meaningful, but the family story is strong enough to carry those weaker moments easily. Recommended for anyone who likes their crime dramas with real emotional consequences and a cast willing to make you hurt.