Smith gave the Sharks a 1-0 lead at 19:35 of the first period. Nikolai Kovalenko found a loose puck behind the net and fed Smith at the top of the crease, where his shot beat Wolf five-hole.
"I can say it was perfectly open. I like the spot behind the net," Kovalenko said. "It was an easy pass."
Klapka tied the game 1-1 at 8:12 of the third period, tapping in a rebound after Nazem Kadri's shot on a 2-on-1 defelcted to him to the left of Romanov.
"We just tried to play a simple game. Put the puck deep and get the puck to the net," Klapka said.
Huberdeau put the Flames ahead 2-1 with a power-play goal at 11:00, deflecting Morgan Frost’s shot from the left circle.
"I just got to shoot it, and better things are going to happen," Frost said. "I just tried to shoot it on the net."