In the 1990, Zach Loud, his brother Lincoln, his sisters Lori, Leni, Luna, Luan, Lynn, Lucy, Lola, Lana, Lisa, and Lily, and their parents are in a group of well-meaning explorers venture out to sea to rescue Annie from the ocean. In doing so, they find themselves shipwrecked on the perilous Skull Island. Together, they fight to survive the dangers of the mysterious isle, which is home to large creatures and terrifying monsters, including Kong, Sam Kong, Lori Kong, and Luna Kong.