It's a still, hot summer in Perth, Australia. The heat is shimmering off the city's glass buildings, with not much to do but surrender to the cool of Beatty Park's swimming pool. However, something is moving amid all the stillness - a hidden snake sliding through shadows. It's moving through lives and connecting them with its sonar trembles: Auntie, in town with Jerome to find the kid's runaway mum; Kevin, tired of his bus route, dealing with raucous kids and bottlenecks and a city that seems to be growing hostile; Karri and his other-worldly sister Bat Girl; Jackie and her sisters, sharing...