Danny and Baez investigate a possible serial killer who sends a chilling message to Danny. Erin toys with the idea of applying for a judgeship. Frank is in a bind when mayoral candidate Katherine Tucker accuses him of secretly investigating her husband. Eddie faces her estranged father when he winds up in the hospital.
| Creator | Robin Green |
|---|---|
| Actor | Tom Selleck, Donnie Wahlberg, Bridget Moynahan |
| Country | United States of America |
| Production | CBS Productions |