Cedric Ralph scored the game winner early in the third and set up another and the Guelph Storm topped Saginaw 5-2 for their first win in their third round series.
The Storm still trail the Spirit 2-1.
Nick Suzuki had a pair of assists in the win.
The Storm were up 2-0 early in the second before the Spirit's Owen Tippett put Saginaw on the board just four minutes into the frame. Reagan O'Grady scored with less than 90 seconds left in the period to make it a tie game heading in to the third.
Ralph scored the game winner just 2:20 into the final frame. Nate Schnarr added insurance with a power play goal at 12:58. Keegan Stevenson sealed the game with an empty netter with just under two minutes left to play.