When the Liberty County Sheriff's Office put in a call for assistance, Animal Cruelty Investigators for the Houston SPCA find themselves entering the brutal world of illegal cockfighting.

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There are dead birds on the property and it becomes a race against time to get the surviving birds back to the shelter for immediate medical help. In the meantime the police have nearby woods surrounded as they try to apprehend the organisers of the event. Elsewhere Rescue Driver Whitney Posner steps in to save a dog hit by a car while back at the shelter the team are shocked to discover two of the most emaciated horses they've ever seen.