Around 3 p.m. EST on June 29, right before the news struck like claps of thunder—or, in one particular case, a bolt of Lightning—P.K. Subban was sipping red wine and studying the dinner menu at an upscale restaurant in Paris. North of his off-season home, Steven Stamkos had just teed off on the 15th hole at Goodwood Golf Club in Stouffville, Ont., and judged that it was his best drive of the summer. Across the continent, in British Columbia, Shea Weber was busy catching waves on the waters of Okanagan Lake. His cellphone, stashed away ashore, was starting to buzz.