Cook rice in water as directed on package.
Meanwhile, heat oven to 350°F. Arrange orange roughy fillets in single layer in ungreased 13x9-inch (3-quart) baking dish. Spoon plum sauce evenly over top; sprinkle with lemon peel. Arrange bok choy and bamboo shoots around sides of fish. Cover with foil.
Bake at 350°F. for 20 to 25 minutes or until fish flakes easily with fork. Serve fish over rice with lemon wedges.