Chicago Fire, just like the rest of the One Chicago universe, has returned from its midseason break. For the firefighting procedural drama, the show returned with one big issue for one of its key figures. Joe Cruz (Joe Miñoso) begins to seek some understanding behind the bullet-shaped pendant urn he found in his locker. In Season 1 of Chicago Fire, Cruz decided to let gang leader Flaco (José Antonio García) die in a fire in order to protect his brother Leon (Jeff Lima). However, what he thought was buried resurfaced with Flaco’s cousin, Junior (Richard Cabral), coming out of prison. By the time the winter premiere had ended, Junior had passed, and Cruz's secret seemingly went buried once more, albeit in a tricky state. But how long can Cruz keep his secret from his friend, Severide (Taylor Kinney)?...