Depicting an epic 26th-century conflict between humanity and an alien threat known as the Covenant, the series weaves deeply drawn personal stories with action, adventure and a richly imagined vision of the future.

Super soldier Max Guevera tries to live a normal life in post-apocalyptic Seattle while eluding capture by government agents from the covert biotech facility she escaped from as a child and searching for her genetically-enhanced brothers and sisters who have dispersed after escape.

Detective Catherine Chandler is a smart, no-nonsense homicide detective. When she was a teenager, she witnessed the murder of her mother at the hands of two gunmen and herself was saved by someone – or something. Years have passed and while investigating a murder, Catherine discovers a clue that leads her to Vincent Keller, who was reportedly killed in 2002. Catherine learns that Vincent is actually still alive and that it was he who saved her many years before. For mysterious reasons that have forced him to live outside of traditional society, Vincent has been in hiding for the past 10 years to guard his secret – when he is enraged, he becomes a terrifying beast, unable to control his super-strength and heightened senses.

An experimental serum called Extremis gets stolen, and Iron Man rockets into action. The ensuing battles test Stark's spirit and Iron Man's power.