The Blues would cut the lead to a single goal following and extended period of offensive zone time at 7:38 of the second. David Perron found Robert Thomas alone backdoor at the side of the net, where the center took a wrister to beat Crawford and make it a 3-2 game.
St. Louis saw a Ryan O'Reilly goal called off early in the third period after using his hand to put the puck in the net, but O'Reilly would make up for it shortly thereafter on a partial breakaway in tight on Crawford to tie things up 3-3. Then, 16 seconds later, the Blues capitalized on a failed clearing attempt as Zach Sanford gave the home side a 4-3 lead.
Head coach Jeremy Colliton called a timeout and the Blackhawks answered back with a pair of goals in tight to re-gain the lead.
Highmore struck off a rebound at 5:16 following a Keith shot from the point. David Kampf got a stick on the initial rebound but lost possession as it slid to Highmore on the top of the crease, where the forward slipped a shot past Binnington to tie things up, 4-4.