Four teams of adventurers embark on a quest to sprint around the world on a challenging course in the hopes of beating the others to a buoy in the middle of the ocean on which is stashed a $1 million prize.
After 13 gruelling days racing in their separate corners around the world, the four teams converge at the final destination for an epic head-to-head battle, where just one will walk away with the million-dollar prize.
