Checkpoint teams up with Inspector Yukon to capture a tricky Canadian thief named Mukluk who has arrived in Empire City. He even steals the BlackJack Trophy Big Boss won in "The Case of the Crime Convention" and prompts the Boss to send Bullit and Rock Krusher to head to Mukluk's Arctic hideout and reclaim the trophy -- only for all their luck to ran out and for the trophy to land at a paws of a polar bear.