When they find an abandoned mineshaft, Will is excited to race through it in a minecart, but Mina just wants to look for splash potion ingredients. Will can't wait to battle monsters, but Mina is more interested in collecting items to craft or trade. Soon the two friends are fighting-not mobs, but each other! But when they stumble across an unfriendly group of explorers, Will and Mina finally agree on something they're in trouble. With their treasure hunt quickly becoming a fight for survival, can they work together to escape with their lives?