Sub Enchanted Evening (1)

A U.S. sub runs into trouble in the eastern Pacific and drifts into North Korean waters, and the only way to save it will be with Chinese help. And while it doesn't hurt that the Chinese ambassador is a golfing buddy of Templeton's, his government will exact a stiff price for its assistance. Meanwhile, Mac considers running for election, but her daughter Rebecca is opposed; and Templeton wants to rehire Jayne.