This series has the makings of going the full seven games. There have been three close games and the Bruins have managed to win two of three. 
I see the Hurricanes evening the series here. I'm not buying into the perception that Boston is the better overall team. 
The Bruins are 1-7 the past eight times they've been playoff chalk. The Hurricanes have won seven of their last nine games. 
There have been significant developments since the series began. The Hurricanes have lost Andrei Svechnikov, their No. 2 goal scorer and a rising star. The Bruins are without their starting goalie as Tuukka Rask decided to leave the bubble to be with his family. It's 50-50, too, if the Bruins get back injured David Pastrnak. 
Backup goalie Jaroslav Halak was up to the task in Boston's Game 3 victory, 3-1, stopping 29 of 30 shots. Halak may not be that effective in this next matchup.