"Kokomi," Neil said, adjusting his cuffs in the turnstile anteroom. "There's a complication. The painting is protected by a 'pincer dance.' Two guards—one moving forward in time, one inverted. To bypass them, you need a partner moving in opposite temporal directions simultaneously."
She looked at him, her sea-blue eyes calculating. "You want us to waltz through a turnstile?"
"I want us to be the turnstile."
"No," Neil said softly. "But you will. In three days, on the beach at dawn. You'll say, 'For luck or regret.' And I'll have to pretend it's the first time I've heard it."