The novel explores the life of a young man living in post-World War II Japan who grapples with his homosexuality in a society that does not accept it. The protagonist must wear a metaphorical mask to hide his true identity and desires, leading to a life of self-denial and inner turmoil. The narrative delves into themes of identity, sexuality, societal expectations, and the struggle for self-acceptance.

The novel is a classic tale of first love between a young fisherman and a pearl diver in a remote Japanese coastal village. The story is set in the post-war era and it explores themes of love, tradition, and the power of nature. The fisherman's love for the pearl diver is tested by the village's gossip and the jealousy of a wealthy rival. Despite the challenges, their love remains pure and steadfast, mirroring the timeless and unchanging rhythm of the sea and the cycles of nature.

The novel delves into the introspective journey of a troubled Japanese writer grappling with his own sense of guilt and the search for redemption. As he navigates through a series of personal tragedies, including familial betrayal and the complexities of love and loss, he embarks on a quest for self-understanding. Set against the backdrop of early 20th-century Japan, the narrative explores the protagonist's inner turmoil and his struggle to reconcile his societal obligations with his desire for personal fulfillment, ultimately leading to a profound transformation.