The location is still unknown when a rival shows, adding to the race. Chairman Cheon wavers, forcing Gwan-seok to scheme to get him back on board.

Gwan-seok and Hee-dong partner with Professor Kim's crew and set sail. Meanwhile, Chairman Cheon bribes an assemblyman with pottery for favours.

Jung-sook and Deok-san reach Mok-po; she assesses pottery, he seeks Professor Kim. Convinced of the pottery's value, the team makes their first dive.