The Bruins bounced back from two ugly losses in Carolina to beat the Hurricanes 4-2 in Game 3 at TD Garden on Friday night.
The Hurricanes scored first for the sixth time in six games against the B's this season.
But the Bruins scored four unanswered goals and held on to their lead thanks to a strong penalty kill and Jeremy Swayman's excellent play.
The Bruins' top two scorers in the regular season, Brad Marchand and David Pastrnak, were held scoreless in the first two games of this series.
Marchand outworked his teammates to score a greasy goal in front of the net to give the Bruins their first lead of the season.
Later in the second period, Pastrnak scored on the power play, with Marchand assisting. Taylor Hall's power-play goal in the third period made it 4-1 for Boston.
The Hurricanes' top players outplayed the Bruins in the first two games.
The Bruins' power play was awful in Game 1, scoring zero goals on three chances. But this unit has now scored in back-to-back games.
The Bruins' power play was solid, but their penalty killing was outstanding.