share time: 2026-08-27 12:31:25
Modern siblings accidentally trigger a time portal in their firewood room, linking to the scarce-supply 1960s. Their father is abducted into a secret black coal mine. They use modern knowledge of scarce goods to make money, hide their time-travel secret and guard against jealous relatives. Then they track the mine and team up with locals to take it down, rescue their father and lead the family to prosperity.
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