"Chicago Fire" Season 5 recently offered a conclusion to the storyline on Boden and Anderson's feud as well as Severide's indecisiveness to stay or go to Springfield to be with Anna. As the NBC drama has already tied off all of its loose ends, the series will be doing a crossover with "Chicago PD," "Chicago Med" and the new series, "Chicago Justice."

This article contains spoilers. Continue reading if you wish to learn more about the story.

"Chicago Fire" Season 5 episode 15 will be the first of the three-part crossover event with other NBC dramas, "Chicago PD," "Chicago Med" as well as the new drama, "Chicago Justice." According to Carter Matt, the whole city will unite to solve the case of a factory accident.

The synopsis for the upcoming "Chicago Fire" Season 5 episode 15 reveals that a fire in an old factory building traps a number of victims. While this might sound like a usual case of the NBC drama, the episode synopsis shows that the situation will become personal when the team discovers that a family member from "Chicago PD" is at the scene.

"Chicago Med" will also be involved in "Chicago Fire" Season 5 episode 15, as the victims will be rushed directly to their hospital. As if this was not enough of a challenge for the team, the synopsis reveals that there will be a "sudden and unexpected turn" during the investigation.

Meanwhile, this crossover event meant that "Chicago Fire" Season 5 has already resolved its previous issues in episode 14. As TV Overmind reviews, the episode provided a conclusion to the feud between Boden and Anderson, and Boden was able to get Firehouse 51 members back together.

Severide has also made his decision to stay at Firehouse 51 or go to Springfield to be with Anna in "Chicago Fire" Season 5. In the end, Taylor Kinney's character decided to stay and he had to say goodbye to Anna.