Months later, a chance encounter with the mining engineer who shipped the gold reignites the case. Together, they delve into a web of deceit, gambling dens, and ruthless criminals. As they piece together the puzzle, they realize the heist was masterminded by someone who knows the river inside out—and will stop at nothing to keep the gold.
With time running out and danger closing in, they must race against a cunning adversary to recover the treasure and clear their names.