Mama B knows she needs to get a handle on her bulging waistline, so she visits an exercise class at the local recreation center. But when the dancing style isn't quite her cup of tea, she and her longtime friend, Ophelia, start a class of their own. Soon Mama B finds herself compelled to take in yet another wayward soul from the class. But will Frank agree to open his home to strangers?When the exercise class comes under attack, Mama B has to figure...