Complex sentence: Jackie Chan plays the role as Jack, a world-renowned archaeology professor, and his team are on a grand quest to locate a lost ancient Indian treasure when they are ambushed by a team of mercenaries and left for dead.
Split into simpler sentences: Jackie Chan plays the role as Jack, a world-renowned archaeology professor. Jack and his team are on a grand quest to locate a lost ancient Indian treasure when they are ambushed by a team of mercenaries and left for dead.