Sivan

After being punished for retreat from combat, Ranger David Martel is given command of the Liandra, a haunted 20-year old Minbari fighting ship. He's escorting ambassadors to a secret archaeological site, the oldest city on record and a clue to a dangerous ancient race.

Henry Brogan is an elite 51-year-old assassin who's ready to call it quits after completing his 72nd job. His plans get turned upside down when he becomes the target of a mysterious operative who can seemingly predict his every move. To his horror, Brogan soon learns that the man who's trying to kill him is a younger, faster, cloned version of himself.

Set between the events of Halo 4 and Halo 5: Guardians… Halo: Nightfall tells the dramatic story of legendary man hunter and Naval Intelligence Officer Jameson Locke and his team as they are caught in a horrific biological attack while investigating terrorist activity on the distant colony world of Sedra. As they unravel a plot that draws them to an ancient, hellish artifact, they will be forced to fight for their survival, question everything and ultimately choose between their loyalty and their lives.

An intelligent, lovable robot known as "F.R.E.D.I." is stolen from a secret research facility by the project's lead scientist. The robot is found by a 15 year old teenager, James. Soon the two begin to communicate and create a bond in which F.R.E.D.I. learns about teenage life and James learns about some new values.

Amid a future war between the human race and the forces of artificial intelligence, a hardened ex-special forces agent grieving the disappearance of his wife, is recruited to hunt down and kill the Creator, the elusive architect of advanced AI who has developed a mysterious weapon with the power to end the war—and mankind itself.