When Carol learns that Lillian once slept with her husband thirty years ago she reports her to the Social Security for benefit fraud. Consequently the estate is invaded by investigators though the wily residents take action,Carl hiring himself out to couples claiming child benefit and Frank posing as Lillian's husband. This annoys Sheila who,after bedding Tony,gets him to track down her husband Eddie to agree for a divorce,whereupon Frank proposes to her. Carl's jealousy of Lip's girlfriend Emily leads him to tell her that Lip has been two-timing her with Mandy.
—don @ minifie-1