A four-year-old wanders off during a guided tour and ends up playing in a plague pit. That is the whole event, and Henry Hughes lets it carry a surprising amount. Everyone else in the poem treats the pit as something to look at, shudder over and explain. The child, Kelsie, simply goes in. Her small disobedience sets up the poem's central contrast between history as a museum exhibit and history as a place where people actually died, and where a living child can still run around.
The poem is free verse with no rhyme scheme, and its first seven lines are a single breathless sentence. The syntax acts out the escape it describes: she "slipped away / when the guide turned to cough, / under red velvet ropes, down stone steps," and the sentence keeps tumbling downward, line after line, without a full stop. Then the descent becomes a plunge into the past. "Blue dust and bronzy bones" is thick with sound, and "bronzy" quietly turns bodies into museum metal. The next lines pile up the horrors in a clipped list: "fleas, black breath, bursting buboes, fingers blue." The hard b-sounds spit and burst like the swellings they name, and the "blue" of the dust returns in the dead fingers, so the whole place seems tinted by the disease. The phrase "gasps and Oh, God / thawed from the fourteenth century" is deliberately ambiguous. The gasps could belong to today's tourists or to the dying, and the poem lets them blur. "Thawed" suggests the past has been frozen and is now melting into the present.
Then the tone swerves. The docent offers a cheerful corrective: "there were more jobs, … peasant wages up, the Hundred Years War / called off early, and people talking real English." The rhythm relaxes into the easy cadence of a tour-guide patter, and the effect is darkly comic. A catastrophe is reduced to a list of economic upsides, delivered in the same voice as the horrors before it. Hughes doesn't comment on this, and he doesn't need to. The placing of "buried quick" just before it adds a small sting. "Quick" means "fast" here, but the old meaning of "living" lingers, as if some of those buried were not yet dead.
The interruption comes in the mother's voice: "Kelsie, get your butt over here!" It is blunt, modern and ordinary, and it is the only direct speech in the poem apart from the gasped "Oh, God." After so much cold, learned material, it is a jolt of present-tense life. The next image is the most inventive in the poem: the mother "winged down, an apologetic angel." The comedy is clear, since she is embarrassed and hurrying, but the metaphor also works another way. An angel descending into a pit of the dead is a strangely tender picture of a parent retrieving her child, and "apologetic" keeps it from becoming grand.
The ending turns on perspective. The crowd responds with "laughter and chattering amazement / that a little American girl would want to play / in that horrible old plague pit." The words "horrible" and "old" show how the adults have placed the pit at a safe distance, as a gruesome curiosity. The laughter is nervous, a way of handling the dead by turning them into an anecdote, just as the docent did with her list of silver linings. The child is the only one who doesn't keep that distance. The poem never says what she does down there, and the title only says she was "playing." That silence leaves her motives open. She may be oblivious, or she may have the instinct that a place full of the dead is still a place, and that life can go on in it, as it did in the century that followed the plague.
What makes the poem worth reading is that it refuses to settle on a lesson. It does not scold the tourists, and it doesn't make the child a symbol of innocence. Instead it shows the different ways people cope with the past: by explaining it, laughing at it, or, in a four-year-old's case, ignoring the ropes entirely.