Best friends Alex and Emma found a hidden treehouse.

They entered the treehouse and were transported to ancient Egypt.

They met Cleopatra and learned about Egyptian history and culture.

They found themselves in the middle of the French Revolution.

They witnessed the storming of the Bastille and met Marie Antoinette.

They were transported to the moon during the first moon landing.

They met Neil Armstrong and experienced the historic event firsthand.

They realized they must be responsible and set history back on track.