<P> With these developments , the show became known as McMillan and Sally was killed off in a plane crash along with the couple 's never - seen son . Mac , now a widower , moved out of the family home and into a luxury apartment . Mildred , meanwhile , was written out as having left the McMillans to open her own diner on the East Coast , which was an inside joke playing up her role as Rosie the waitress in a then - ongoing series of commercials for Bounty Paper Towels . </P>
<P> With these developments , the show became known as McMillan and Sally was killed off in a plane crash along with the couple 's never - seen son . Mac , now a widower , moved out of the family home and into a luxury apartment . Mildred , meanwhile , was written out as having left the McMillans to open her own diner on the East Coast , which was an inside joke playing up her role as Rosie the waitress in a then - ongoing series of commercials for Bounty Paper Towels . </P>
how did sally die on mcmillan and wife
how did sally die on mcmillan and wife
a plane crash
a plane crash