The Deep (Katsu novel)

As passengers board the RMS Titanic, first class stewardess Annie Hebley meets Mark, Caroline, and Ondine Fletcher.

Les had discovered the money's existence by way of a con centered around him pretending to be psychic, much to the disapproval of his secret lover and fellow boxer, David "Dai" John Bowen.

Annie's attraction to Mark eventually leads to Caroline suspecting the woman of poisoning Ondine and of deliberately trying to cause her harm.

Assuming the baby is stolen, Annie attempts to report the suspected theft via telegram and in so doing, discovers warning messages giving the coordinates of an iceberg in the ship's course.

While in prison, Annie investigates the brooch and discovers that it was used to hold compacted laudanum, causing the realization that the servant boy's death was due to the accidental ingestion of the drug and wasn't supernatural.

She is eventually freed from prison after the ship hits the iceberg and ends up on a lifeboat alongside Caroline, who stumbles and falls into the water with Ondine.

Annie is stunned when the job brings her back in contact with Mark, who had been fighting in the First World War, as she believed him to be dead.

Mark is stunned and frightened by Annie's insistence that they had a passionate love affair on board the ship, as he states that their interactions went no further than light flirting.

The setup was initially idyllic but over time, Lillian began to suspect that Mark and Caroline were sleeping together, as they shared a strong attraction.

[3][4][5] The novel's characters and atmosphere were praised in multiple reviews, with The New Indian Express stating that "We know, already, that these ships are going to sink, but we’re still caught up in the immersive luxury world of the Titanic as the story unfolds.