The Unrivaled Standard

Summary

Lt. Severide is shocked when Rene Royce resurfaces; Casey comes up with a plan to help Chief Boden in his latest pursuit; Kidd regrets a decision she made regarding Severide; Herrmann clashes with Lt. Colannino over their son's basketball team.

Guest stars

• Andy John Kalkounos as Lt. Colannino
• Paul Turner as Hooper
• Sarah Shahi as Renée Royce
• Gary Cole as Chief Grissom
• Robyn Coffin as Cindy Herrmann
• Lucas Von Kampen as Luke Herrmann
• Randy Flagler as Harold Capp