Peter and Lois go to the Pewterschmidts for the weekend, bringing Brian along. Brian, meanwhile, has some "issues" of his own to work out. Find out if Brian's future is to make puppies or become "less" than he is.

Lois discovers she has a brother named Patrick and takes the family cross-country to meet him. It turns out; he’s locked up in a mental institution. Lois thinks he’s sane, so she checks him out to live with the Griffins. Meanwhile, Peter starts the Society for the Acceptance of Fat Men. But when all the fat men of Quahog are strangled one-by-one the group lives in fear. Who could the “Fat Man Strangler” be?

Peter's boss Angela sends him back to the third grade so that he can qualify for a work promotion. Meanwhile, Brian, Frank Sinatra Jr. and Stewie open the coolest club in Quahog.