There's trouble down at the local bingo hall. Maud and Bertha, the most notorious old dears on the circuit, are about to clash for the big one - a 25,000 pound cash prize. These great adversaries have been battling for decades, their sole intent to destroy their opponent with every arthritic dab of their pen. But they're about to discover that when your life's purpose is to destroy your enemy, that enemy can also be one of your greatest friends.