When Hazel Sharp, daughter of Mirror Lake's longtime local detective, unexpectedly inherits her childhood home, she's warily drawn back to the town - and people - she left behind almost a decade earlier. But Hazel's not the only relic of the past to return: a drought has descended on the region, and as the water level in the lake drops, long-hidden secrets begin to emerge, including evidence that may help finally explain the mystery of her mother's disappearance.