When the chain on Roger's bike slipped Mom helped him. When the baseball hit in the same place a few years later Mom helped him. It all seemed innocent if a bit odd but then things changed. The family grew but not the way most families grow.
Richard takes ill and comes home early from his college class only to find his mother Mary and her best friend Rena going at it in the bedroom. He watches them for a while and when they catch him spying he hides in his bedroom. But things take a turn for the better when Rena and his mom invite him to join them in bed.