Seven actress friends spend an evening together. It could have been just another evening for Léa, if she not heard the news.

A news anchor, a comedian, an actress, and a soccer player with big egos have to travel across the globe to meet the Malawa tribe for a TV show.

In 1906 London, 14-year-old Theodosia “Theo” Throckmorton gathers an eclectic team that includes her younger brother Henry, along with...