In which we traverse the unfamiliar, moonlit maritime quarter known as Mill Pond Bank and meet a cantankerous but essential old lodger, his gentle daughter, and the devoted Herbert Whimple, whose tender attentions paint a picture of quiet affection amid rugged surroundings. We also devise cautious plans to shield a wary friend from lurking dangers, taking to the river in earnest to weave a habit of unremarkable activity that may yet veil deeper designs.