A man stands in a dark shower, trying to rinse away something that water can't reach. Partway through, the poem shifts to a little boy in the same tiled stall, which suggests the man is reliving a childhood experience of abuse. The speaker's feelings are raw: shame, hope, and desperation all run together. The boy's tears mix with the shower water, and the line about "salty tears of shame" shows he feels the guilt that belongs to someone else.
The imagery is physical and exposed. His arched back, outstretched hands, and "naked body" like "an offering" make him look small and defenseless, almost as if he is praying. The poem's final lines make that literal, with the whispered "wash it away" repeated like a chant. The repetition shows how badly he wants relief, and the dark, unlit room adds secrecy and isolation. The mood is quiet, heavy, and painfully sad. The word "hopefully" matters too: even the wish to forget is uncertain.