People say there’s a fine line between love and hate. If you ask Grady Armstrong, the line’s as obvious as the one across the middle of a hockey rink. So he can’t explain why he doesn’t walk away when his Grindr hookup—a guy who accused him of impersonating himself—turns out to be Max Lockhart, a rival player Grady once punched in the face. Apparently Max can goad him just as well off the ice as he can on it. Max Lockhart showed up thinking he was going to expose a fake. Instead he hooks up with a guy who claims to hate him. And has a good time. A really good time. But that...