The description from the studio is pretty apt:
When survival is her only option, she won’t go quietly.
Daniels (Katherine Waterston) teams up with MUTHUR, the Covenant’s onboard Artificial Intelligence, to take out a hostile alien threat. Conceived by Ridley Scott and 3AM, directed by Luke Scott, and produced by RSA Films. Check out the new video below before ALIEN: COVENANT hits theaters everywhere on May 19th!