Di and Yu, a pair of siblings, who are barely making ends meet, discover 10 million dollars in the form of $10,000 notes mysteriously placed in their mailbox. Thrilled yet cautious, they quickly realise having cash and spending it are two very different things.

Embarking on a journey navigating the challenges of spending this unconventional fortune legally but discreetly in an increasingly cashless society, the siblings finally grasp that money isn’t everything.