The One Chicago universe, which includes the TV shows Chicago Fire, Chicago P.D., and Chicago Med, has showcased numerous relationships over the years. While many of these relationships have been heartwarming and enjoyable to watch, there have also been a few that have left viewers disappointed and frustrated. This article will delve into some of the worst relationships that have been depicted in the One Chicago universe.

One such relationship is the turbulent romance between Casey and Dawson in Chicago Fire. Their on-again, off-again relationship tested the patience of viewers as they constantly broke up and got back together.

The lack of trust and communication between the two characters ultimately led to their downfall.

Another problematic relationship on Chicago Fire is the one between Severide and Anna. Although their love story started off sweet and promising, it quickly took a turn for the worse when it was revealed that Anna had a terminal illness. Their relationship became strained as they dealt with the emotional and physical challenges of Anna's illness, ultimately leading to a heartbreaking breakup.

Moving over to Chicago P.D., the relationship between Burgess and Ruzek has also been a rollercoaster ride. Their office romance caused tension within the workplace and their constant arguments and disagreements made it seem like they were better off apart.

Lastly, Chicago Med showcased a troubled relationship between Dr. Charles and Caroline. Caroline's manipulative and deceitful behavior put a strain on their marriage, leading to a divorce and leaving viewers feeling frustrated with the situation.

In conclusion, while the One Chicago universe has given us memorable and beloved relationships, there have also been some that have left viewers feeling disappointed. These troubled relationships have showcased the complexities and challenges that come with love, but ultimately fell short of capturing viewers' hearts.