Told from the outside, almost like a news report, the poem follows children who slip away from a painful home in the middle of the night. The opening image is odd and striking: they are "filled to the brim" by "the only good thing in their life," then "overflow," as if their hope or need to leave simply spills over. The poem never says what that good thing is, and that mystery makes it feel more fragile.
Out in the trees, the children find a rough kind of comfort. Metal houses are "the closest thing to a hug," a line that shows how little tenderness they have known. Meanwhile the sirens and the posters asking "have you seen this broken child?" show how the adult world sees them: as damaged and lost, not as people running from harm. The ending is quiet. The screams they remember are "silenced by the peace / of being away from it all." The mood is bleak but strangely calm, with relief tangled up with sadness and danger.