Mellie is in Boston in 2010, one month clean, raising Juni, her damaged toddler daughter, solo, and doing her best to stay off the memory-scattering drug “cloud” when a familiar SUV she can’t place pulls into the driveway, flicks a familiar cigarette in a familiar way, then pulls away before her memory can catch up. There are so many things she can’t remember, including who in the wide world Juni’s father might be.