It will be win or go home for the Yarmouth Mariners in their next game.
Valley goalie Antoine Lyonnais made 43 saves as the Wildcats beat the Mariners 4-2 in Game 4 of their first round series last night in Berwick.
The Wildcats lead the series 3-1, with Game 5 tomorrow night at Mariners Centre.
Max-Antoine Melancon scored to get the Mariners within two in the second period, after Valley jumped out to an early 3-0 lead.
AJ DiChiara was pulled after the first period, he allowed three goals on 12 shots. Christophe Beluse finished the game with 13 saves.
Ryan Semple added a late goal for Yarmouth.
In other action, the Bearcats took a 3-1 series lead over the Ramblers with a 4-3 win in Truro, Summerside beat Edmundston 7-4 to take a 2-1 series lead.