Intelligence searches for the dealer who caused multiple overdoses and is connected to Roman's missing sister. The case becomes a homicide investigation when they find the dealer's dead body. The crossover starts on Chicago Fire S08E15 Off the Grid (I).
| Creator | Dick Wolf |
|---|---|
| Actor | Jason Beghe, Marina Squerciati, Patrick John Flueger |
| Country | United States of America |
| Production | Universal Television |