Read it through once

A point, live dog, grew into sight running across the sweep of sand. Lord, is he going to attack me? Respect his liberty. You will not be master of others or their slave. I have my stick. Sit tight. From farther away, walking shoreward across from the crested tide, figures, two. The two maries. They have tucked it safe mong the bulrushes. Peekaboo. I see you. No, the dog. He is running back to them. Who?