The astonishing story of one family swept up in the tides of the twentieth century, ranging from post-war Japan to suburban America and the North Korean regime.

One evening, ten-year-old Louisa and her father take a walk out on the breakwater. They are spending the summer in a coastal Japanese town while her father Serk, a Korean émigré, completes an academic secondment from his American university. When Louisa wakes hours later, she has washed up on the beach and her father is missing, probably drowned