Holly Willoughby hosts this competitive reality show, set in the tropical jungle of Costa Rica.Here, the 12 stars will step into a primitive world full of unknowns and challenges and become the "prey" of the terrifying hunter, Bell Griers.The dense jungle, the steep terrain, and Bell's cold and wild test are waiting for them... This is not only a contest of physical fitness and wisdom, but also an ultimate trial of human nature and courage.