Anne Morrow Lindbergh isolates herself for several weeks on a distant island. There, undistracted, far from pointless interactions, unnecessary adornments, and temptations, she tries to focus on the essence and meaning of human existence, particularly that of a woman.

She uses the shells she finds on the beach as guides, symbols, and examples to illustrate the stages of her inner search. Each shell represents a journey towards beauty, peace, and contact with her truth.

Through this book, she generously shares the gifts of the depths, as they were given to her by the sea.