My Captain Mr. Underground (2006)

Plot

Dae-chool, a notorious grave robber, finds his latest prize—a valuable Buddha statue—stolen by two mischievous kids, Ji-min and Byung-oh. To reclaim his treasure, he deceives them into believing he's a secret agent from the Ministry of National Treasures and enlists their help in a quest for justice. As they navigate a series of chaotic adventures, the trio develops a bond reminiscent of family, finding friendship amidst their mischief and mayhem. Their journey intertwines humor and heart, revealing unexpected connections and the meaning of loyalty.