Ep 6. The Tourist

Nash Bridges season 4 episode 6, titled "The Tourist," follows the San Francisco Police Department's Special Investigations Unit as they investigate the murder of a tourist who was fatally shot during a robbery. Nash, Joe, and Evan arrive at the crime scene and discover that the victim was from Germany and was in the city on a vacation with his wife. The detectives immediately start to conduct interviews with the victim's family and those who were present at the time of the incident.

As the investigation progresses, the detectives find out that the victim was not the intended target of the robbery. They discover that the real target was a wealthy businessman who was present at the same location. It becomes apparent that the criminals who committed the crime were highly organized and had a plan in place.

Meanwhile, Nash is dealing with personal issues when he confronts his ex-wife about their past. Joe is also struggling with his personal life when he discovers that his father is suffering from a serious illness.

As the detectives get closer to solving the case, they realize that they're up against a powerful criminal organization with international connections. Nash and the team must use all of their skills and resources to bring the culprits to justice and put an end to their nefarious activities.

In the end, the detectives successfully solve the case and arrest the members of the criminal organization responsible for the murder. Nash also makes a personal breakthrough and comes to terms with his past. The episode ends on a positive note as the detectives celebrate their success and look forward to their next case.