Two centuries in the future , arrives unexpectedly to our solar system a huge ship -shaped cylinder, from the confines of space . Christening Rama , by those who discover the huge cylinder, confronts humanity with the existence of a much higher intelligence to human , able to build a ship of such dimensions. It quickly decided to send an expedition to explore the ship and find out what your destiny and purpose. The twelve astronauts group chosen enters Rama and the mission commander dies mysteriously . This is where the player comes in as a substitute astronaut to join the team . The objectives of the player are exploring Rama and answer three crucial questions : Why is Rama the way to Earth? Whence ? Who conceived this immense ship cylindrical ?