During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.

Tragedy, betrayal and a mysterious discovery fuel a woman’s vengeance for the loss of her tribe and family in this special episode of “Kingdom.”

Stagnant since 1903, at an elevation of 2,744 m, a volcano erupts on Baekdu Mountain located on the Chinese-North Korean border. Armed with the threat of imminent eruptions, a team…