Dixon Hill is fictional detective in the Star Trek universe, a homage to Sam Spade set in 1940s San Francisco. He exists only on the USS Enterprise's holodeck, where his program is played mainly by Jean-Luc Picard, though in later episodes Data and Beverly Crusher also join in as friends of Dixon Hill. The Three Graces, here in a painting by Sandro Botticelli, were the goddesses of charm, beauty, nature, human creativity and fertility in Greek mythology. ... A detective is an officer of the police who performs criminal or administrative investigations, in some police departments, the lowest rank among such investigators (above the lowest rank of officers and below sergeants), a civilian licensed to investigate information not readily available in public records (a private investigator, also called... The Enterprise boldly going where no man had gone before. ... A fictional universe is a cohesive fictional world that serves as the setting or backdrop for one or (more commonly) multiple works of fiction. ... Sam Spade can also refer to a Network-Query tool designed to hunt down spammers. ... Centuries: 19th century - 20th century - 21st century Decades: 1890s 1900s 1910s 1920s 1930s - 1940s - 1950s 1960s 1970s 1980s 1990s Years: 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 Events and trends Technology First nuclear bomb First cruise missile, the V1 flying bomb and the first ballistic missile, the... This article is about the city in California. ... USS Enterprise NCC-1701-D The USS Enterprise (NCC-1701-D) is the name of the Galaxy class Federation starship that is the principal setting of the television series Star Trek: The Next Generation. ... In the Star Trek fictional universe, the holodeck is a form of virtual reality. ... Jean-Luc Picard is a character in the Star Trek fictional universe, the captain of the USS Enterprise-D and the Enterprise-E. He was played by British actor Patrick Stewart in the television series Star Trek: The Next Generation and resulting films. ... Data, played by Brent Spiner, was a character in the Star Trek fictional universe. ... Beverly Crusher, a character in the Star Trek fictional universe, was the Chief Medical Officer onboard the U.S.S. Enterprise-D and held the rank of commander; upon the destruction of that ship, she has continued in that post and rank on the Enterprise-E. This character first appeared...

The world of Dixon Hill contains many regular characters that only exist within the holodeck scenario, including the criminal bosses Cyrus Redblock and Nicky the Nose.

The Star Trek novel A Hard Rain takes place almost completely in Dixon Hill's world, with only brief interludes taking place in the "real" world of Star Trek. If not for certain oddities (such as dead people coming back to life), the novel reads pretty much like a normal detective novel.