A girl walks across the Brooklyn Bridge, a backpack full of knitting slung over her shoulder, a green fish kite in her hand.

A boy balances on the bridge's crisscross webbing, waiting for the girl to pass.

Are they angels? Spiders? In love? Or in danger? Once they connect, they'll start a chain of events that could stretch out smoothly like the river below them -- or become knotted like a tangled web of spider silk.