The complete second season of the US sci-fi drama. When 'Visitors' from outer space land on Earth, their leader, Anna (Morena Baccarin), explains that they will offer medical information and cutting-edge technology in exchange for supplies. FBI agent Erica Evans (Elizabeth Mitchell) soon realises the Visitors' true intentions are to take over the world. She joins a group of fighters that are determined to protect their planet. In this season, there is great unrest on Earth following the release of Red Sky and Red Rain and the outbreak of war seems inevitable. Episodes comprise: 'Red Rain', 'Serpent's Tooth', 'Laid Bare', 'Unholy Alliance', 'Concordia', 'Siege', 'Birth Pangs', 'Uneasy Lies the Head', 'Devil in a Blue Dress' and 'Mother's Day'.