After Nat tragically dies from dust pollution, March is consumed by grief. But his daily life is turned upside down when he discovers his wife’s spirit has been reincarnated in a vacuum cleaner. As absurd as it seems, their bond is rekindled, stronger than ever. But it hardly to everyone’s liking. His family, still haunted by the accidental death of a factory worker, reject this supernatural relationship. To prove their love, Nat offers to clean the factory to prove herself a useful ghost, even if that means doing away with some lost souls…