The last episode.  

Hugh's mysterious great-uncle, John Smith, reveals the identity of Hugh's killers; Rios is not convinced.

An unexpected death seems to ends Rios's search for Hugh Paris's killer. 

Rios finds an unexpected ally, new love and big trouble.

Rios's investigation exposes the nineteenth-century annihilation of Chinese railroad workers behind Hugh's family's fortune.

A retired law professor provides Rios with crucial information in his quest for Hugh's killers.

Rios's investigation into Hugh's death earns him a threat and a warning.

Stolen documents and mysterious injuries on Hugh's body in autopsy photos convince Rios he knows who had Hugh murdered and why.

Rios is abducted, drugged and dumped in alley near a famous leather bar from which he calls Grant Hancock for help.

Rios's search for answers about Hugh's death lead him to Grant Hancock, Hugh's prep school room-mate and possibly the last person to see Hugh before he was killed