When two motorists driving gas-guzzling cars die at the hands of a sniper, Danny and Kate are put on the case of what the city believes is the work of a radical environmental serial killer. Meanwhile, a bicycle accident sends Danny’s son Sean to the hospital with a life-threatening injury.
| Creator | Robin Green |
|---|---|
| Actor | Tom Selleck, Donnie Wahlberg, Bridget Moynahan |
| Country | United States of America |
| Production | CBS Productions |