Burnham is stunned when she learns her ties to Section 31 run deeper than she ever fathomed. Armed with the identity of the Red Angel, the U.S.S. Discovery goes to work on its most critical mission to date.

The crew continues their guise; Burnham goes on a mission in hopes of helping the U.S.S. Discovery return home; Tilly works to restore Stamets.

A fourth signal leads the U.S.S. Discovery to a world where Pike is forced to make a life-changing choice; Burnham and Spock investigate a Section 31 ship gone rogue, leading to a discovery with catastrophic consequences.

When the U.S.S. Discovery's crucial mission does not go according to plan, Burnham realizes what must ultimately be done; the crew prepares for the battle of a lifetime as Leland's Control ships get closer.

Ten years before Kirk, Spock and the Enterprise, the USS Discovery discovers new worlds and lifeforms as one Starfleet officer learns to understand all things alien.

Arriving 930 years in the future, Burnham navigates a galaxy she no longer recognizes while searching for the rest of the U.S.S. Discovery crew.

After the U.S.S. Discovery crash-lands on a strange planet, the crew finds themselves racing against time to repair their ship. Meanwhile, Saru and Tilly embark on a perilous first-contact mission in hopes of finding Burnham.

Finally reunited, Burnham and the U.S.S. Discovery crew journey to Earth, eager to learn what happened to the Federation in their absence.

Burnham and Adira visit the Trill homeworld in hopes of unlocking the secrets trapped within Adira’s mind. Back on the U.S.S. Discovery, Saru’s efforts to help the crew reconnect with one another take a surprising turn.

After reuniting with what remains of Starfleet and the Federation, the U.S.S. Discovery and its crew must prove that a 930 year old crew and starship are exactly what this new future needs.

After receiving a message from Book, Burnham and Georgiou embark on a rogue mission to find him, leaving Saru to pick up the pieces with Admiral Vance. Meanwhile, Stamets forms an unexpected bond with Adira.