The Case of the Half-Wakened Wife: Perry Mason Series, Book 27 (Unabridged‪)‬

In the dead of night, a thick fog lies over the black waters. You are aboard a fancy yacht full of fancy people who loathe one another. Suddenly you hear...A scream! A splash! A shot! The fateful cry, "Man Overboard!" And the next thing you know, you find yourself clutching a beautiful woman wearing only a flimsy nightgown. In her hands she holds a gun.

That's the predicament in which Perry Mason suddenly finds himself. But that's only the beginning. Things happen speedily and this woman finds herself in a court of law accused of murder. Perry Mason is the only person in the world to believe that she is innocent. So what does the grateful woman do? She fires him. Things are not as they seem.