Halo

When word gets out about an attack on a Madrigal colony, John and the Spartans fight against the Covenant and unearth a hidden artifact.

John and Kwan investigate the keystone while the alien threat looms at the edges of space. Dr. Halsey attempts to corral a rebellious Spartan.

A new partner teams up with John, who discovers memories he had somehow forgotten. The search continues for the second keystone.

Cortana and Halsey take John on a journey through his past to discover the truth. Kwan sets out in search of an army.

A discovery brought to light leaves John questioning his relationship with Halsey, and the Covenant grows stronger in battle.

The surviving warriors return to Reach. John confronts Halsey and finds a connection with a new prisoner.

Searching for her family's purpose, Kwan ventures to the Madrigal deserts to speak to a group of nomads. Soren attends to unfinished business.

John and Makee commiserate over their shared vision. Halsey has one last chance to save the mission — and herself.

Master Chief John-117 leads the Spartans into battle to find the Halo and save humanity from the Covenant.