Nadine throws an engagement party .
The gang gathers to congratulate the couple and to admire the beautiful engagement ring Nate has given Shirley , when suddenly , in the middle of the toasts , Nate announces that soon there will be only two people running Rob 's Place .
Nadine throws an engagement party and the gang gathers to congratulate the couple and to admire the beautiful engagement ring Nate has given Shirley , when suddenly , in the middle of the toasts , Nate announces that soon there will be only two people running Rob 's Place .