Broke detective couple Ethan and Sophia take a gold reward to solve a missing case in eerie Gold Town in 1920. They uncover a century-old bloody secret, a body-splicing trick and a mutated cave monster. After cracking all corpse chamber riddles and the clan’s revenge plot, they head back to New York. An elderly man in Ming robes appears with an identical stone slab, offering them a deal of ancient Ming treasure, kicking off a new mystery.
