Chicago couldn't break through the Boston defense on Monday, failing to score on Tuukka Rask in a 2-0 loss at TD Garden.
Boston won as a -125 favorite, while Over-Under bettors who played UNDER the total of 5 were rewarded at the payout window.
Boston got goals from Daniel Paille and Patrice Bergeron in the victory. Paille opened the scoring at 2:13 of the second period.
Tuukka Rask turned in a 28-save effort for the Bruins.
Corey Crawford stopped 33 of 35 shots for the Blackhawks, but it wasn't enough to earn the victory.
On the power play, Boston went 1-for-4, while the Blackhawks were 0-for-5 with the man advantage.
Chicago lost the shots on goal battle to Boston by a margin of 35-28.