Chicago Fire (2012)

Episode Overview

Title: Viral Plot: Cruz's inner turmoil regarding his past decisions escalates, putting both himself and his firefighting team at risk. Meanwhile, Casey and his sister Christie work on reconciling their strained relationships with their mother and with one another. In another part of the story, Severide reconnects with a significant figure from his past at Lieutenant Whaley's request. The squad gains valuable insight while collaborating with the bomb squad on a high-stakes emergency, pushing them to face new challenges together.