Ep 15. The Bones on the Blue Line

In the season 5 episode 15 of the show Bones, titled "The Bones on the Blue Line," the Jeffersonian team investigates the remains of a subway train conductor who was pulled underneath a moving train. When the remains are brought to the lab for analysis, the team discovers evidence that suggests foul play may have been involved.

Meanwhile, Booth and Brennan are dealing with their own personal struggles. Booth is struggling with his feelings for his girlfriend, Hannah, and wondering if he made the right decision in ending things with Brennan. Brennan, on the other hand, is dealing with the emotions of seeing Booth with someone else and is questioning whether or not she really made the right choice in pushing him away.

As the investigation into the conductor's death continues, the team discovers that the victim was involved in a number of illegal activities, including drug smuggling and money laundering. They begin to piece together a complex web of corruption that involves several key players in the subway industry.

As they dig deeper, the team uncovers a shocking plot that involves the planned destruction of a large section of the subway system. With the help of Booth and the FBI, they are able to track down the culprits and prevent a major disaster from occurring.

Throughout the episode, the tension between Booth and Brennan continues to build as they both struggle with their feelings for each other. In the end, they are forced to confront their emotions head-on when a surprising twist puts their relationship to the test once again.

With its blend of crime-solving and personal drama, "The Bones on the Blue Line" is a gripping episode that will keep viewers on the edge of their seats until the very end.