Captain Burnham and the U.S.S. Discovery are sent to retrieve a mysterious 800-year-old Romulan vessel; until the artifact hidden inside is stolen, leading to an epic chase. Meanwhile, Saru is offered the position of a lifetime, and Tilly’s efforts to help pull her into a tangled web of secrecy.
Looks like the scout ship from TNG.
Agreed - its shape is nearly identical.