Plymouth blew the League One title race wide open with a 1-0 win at leaders Doncaster.
Sonny Bradley's bullet header early in the second half moved second-placed Argyle to within three points of their opponents.
Plymouth came with a plan to defend deep and counter attack and it worked to perfection as Doncaster's unbeaten home run was ended one game short of a full year.
Argyle were indebted to goalkeeper Luke McCormick for two stunning saves either side of half-time.
First he pushed away a downward...