Dr. Pol challenges Charles to take part in the local Special Olympics charity event, the Polar Plunge, where participants dive into an icy lake in the height of winter.Then, Dr. Pol races to a farm call to check on a horse that's showing irregular symptoms. Meanwhile, Dr. Brenda discovers a cow is having respiratory issues and has twisted its stomach. Finally, Dr. Pol must race out on an emergency farm call to young racehorse who has severely wounded his leg, jeopardizing his racing career.

Roses are red, violets are blue, when animals go crazy, Dr. Pol knows what to do. For Dr. Pol, Valentine's Day means flipping a cow upside down to fix his stomach, de-worming a champion goose, and curing the relentless cough of Zev, the Siberian Huskie. Now, that's love. Inspired by Zev the huskie, Charles takes a shot at driving a sled dog team, but realizes that mushing isn't as easy as it seems. Meanwhile, Dr. Brenda dehorns a group of loud, but loveable pygmy goat babies.