The sins of the mother... In the steel mill town of Donora, Pennsylvania, site of the infamous 1948 "killing smog," headstrong nurse Rose Pavlesic tends to her family and neighbors. Controlling and demanding, she's created a life that reflects everything she missed growing up as an orphan. She's even managed to keep her painful secrets hidden from her loving husband, dutiful children, and large extended family.When a stagnant weather pattern traps poisonous mill gasses in the valley, neighbors grow sicker and Rose's nursing obligations thrust her into conflict she never could have fathomed. Consequences from her past collide with her present life, making her once clear decisions as gray as the suffocating smog. As pressure mounts, Rose finds she's not the only one harboring lies. When the deadly fog finally clears, the loss of trust and faith leaves the Pavlesic family-and the whole town-splintered and shocked. With her new perspective, can Rose finally forgive herself and let her family's healing begin?

Myscowa, Poland—1910 Once upon a time in tiny, rural Myscowa, Lukasz Musial competes in feats of strength against his lifelong nemesis to win passage to America. He leaves behind grinding poverty and despair, to seek the clear blue skies, and better life he sees on a postcard. Settled in Donora’s Polish community, Lukasz secures a coveted job in the wire mill, and is matched to marry Donora’s very own Polish princess. Life is set on course. The American Dream is nearly his. Donora, Pennsylvania—1910 Mary Lancos is no princess. A tall, athletic girl who loves the water, she spends her days keeping house for families in town, digging coal out of a backyard seam and rowing her father across the Monongahela River for work. Mary is dependable, tenacious, and always ready to help when someone needs her. She dreams of a gas-heated home, a bedroom for each of her future children, and good meals on the table each night. To help make that happen Mary attends local dances, waiting for the few men who are taller than her to ask her to dance, hoping one of them is right for her. An unexpected Christmas Eve visitor brings bad luck, and Lukasz’s world crumbles. Meanwhile, tension grows at the Lancos home when money is short and Mary’s dreams clash with her parents’ old world expectations. Just when Mary and Lukasz are at their lowest, they find themselves under an odd pink moonlit sky and Lukasz rescues Mary from a fall into frigid river water. The attraction between them is sudden and consuming, turning the pair onto an unexpected path. With mounting disapproval from Mary’s parents, and increased pressure on Lukasz, they must decide if love is enough to risk losing everything else that matters.

Donora, Pennsylvania 2019 Ninety-two year old Patryk Rusek is on the run, bath-towel flying off, with nothing but his new Nikes to carry him to freedom. His plan to escape from Blue Horizon Retirement Community is in motion. Except his great-grandson, Owen, isn’t at the pickup point. Resigned to his fate, Patryk returns to his room and reads from his incredible hand-drawn chronicle of Donora, luring half the nursing home’s employees and residents into the room, mesmerizing them with childhood tales of Stan F. Musial, beloved baseball hall of famer. Donora, Pennsylvania 1920 Mary Musial is expecting again. After four daughters, her husband Lukasz is losing hope for a son. But Jupiter is rising when Stanisław Franciszek Musiał is born on November 21, 1920, and the midwife predicts he will live an extraordinary life. Young Stanley’s physical talents show themselves at the Polish Falcons and on the baseball field. But rather than pride, Lukasz’s spirits plummet after mill injuries turn his American dream into a living nightmare. When the Depression hits and the mills close, tension grips every Donora household. Meanwhile as Stan matures, he draws attention from the press, college coaches, and professional baseball scouts. Suddenly his singular dream is set against options he’d never imagined. Every choice threatens to disappoint coaches, teachers, his girlfriend, and most of all his parents. Even with the talent to achieve his goals, doubt creeps in. Can he find the courage to leave everything he knows and all the people he loves to fulfill his destiny? Or will he wait too long and risk it all?