For his dad's 65th birthday, Henry sent his dad to Las Vegas, leaving Henry to take care of his one-hundred and sixty pound dog, Murdock. When Lassie and Murdock's game of "What Won't Murdock eat?" goes wrong, a trip to the emergency vet is in order. And when a crazed snake owner takes the vet hostage, it is up to Henry, Lassie, and Murdock to save the day. But they only have one hour. And the clock is ticking...
Also includes 3:17 a.m. (The Lassie Files 2)