A local businessman is found drowned in the swimming baths right after the grand unveiling of his plans for a local theme park about the Ballarat gold rush. Realising the death is suspicious, Blake begins untangling the victim's complicated personal life. And after Matthew's sudden departure, there's another chief superintendent to get to know.

An experienced jockey dies on the track when his horse throws him during practice. It doesn't take long to discover evidence of foul play, so Blake and Frank begin asking around Ballarat's shady bookmakers. Meanwhile Blake has problems of his own at home dealing with the repercussions of Mei Lin's unexpected arrival.