Dan Shaughnessy Must-win up next for Bruins in epic series ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Jim Davis/Globe staff The Blackhawks defeated the Bruins, 3-1, in Game 5 and took the series lead. Jim Young/Reuters Zdeno Chara (left) celebrated after scoring on the Blackhawks in the third period. Jim Davis/Globe Staff The Blackhawks' Patrick Kane scored for a second time in the game. Harry How/Getty Images Torey Krug (left) and Johnny Boychuk (right) checked Andrew Shaw. Jim Davis/Globe Staff Kane scored the game's first goal as David Krejci (left) and Chara tried to defend in the first period. Charles Rex Arbogast/AP Boychuk (right) helped goalie Tuukka Rask defend. Jim Davis/Globe staff Chara battled with Bryan Bickell in the first period. Nam Y. Huh/AP Brad Marchand controlled the puck against defenseman Niklas Hjalmarsson. Jim Davis/Globe Staff Shawn Thornton banged on the glass as he acknowledged a Boston fan in the stands during pregame warmups.