However , Brian ends up making things worse by mistaking Quagmire 's sister , who is hiding out from her abusive boyfriend , for one of his dates .
Brian attempts to rectify the situation outside Quagmire 's house .
Brian ends up making things worse by mistaking Quagmire 's sister , who is hiding out from her abusive boyfriend , for one of his dates .
Brian attempts to rectify the situation outside Quagmire 's house .