TORONTO -- Jake DeBrusk scored twice in Boston's dominating third period to help the Bruins rally and take a 3-1 lead in their first-round playoff series.
Brad Marchand and Connor Clifton also scored in the third, helping Boston erase a 2-0 deficit entering the period. It was a stunning turnaround - complete with the Bruins taking a 16-2 edge in shots on goal in those final 20 minutes.
Game 5 is Wednesday.
Justin Williams and Jordan Martinook scored to give Carolina the 2-0 lead before the Bruins ran off four straight goals, while Teuvo Teravainen added a goal at 18:33 of the third to bring Carolina within one.
James Reimer finished with 29 saves for the Hurricanes. Jaroslav Halak stopped 16 shots for Boston.