The patients can't tell the doctors what is wrong in fact, they're quite likely to bite. And the only thanks they might offer is a wagging tail, but the men and women who minister to sick and injured animals are among the most dedicated healers in the world. This one-of-a-kind program goes behind the scenes at New York City's ASPCA veterinary clinic for an up-close look at animal medicine today. It's a hectic place, where the howls and cries of injured animals mingle with the emotions and demands of their distraught owners. Against this backdrop, highly-trained veterinarians labor to heal people's beloved companions, with an amazing amount of high-tech machinery at their disposal. But here, owners are often forced to put a price on love, choosing between expensive treatment and putting their pet to sleep. Incredible footage and revealing interviews with the men and women who work there make ANIMAL E.R. a fascinating examination of veterinary medicine.