This is Why They Invented Doorbells

Michael Burnham and Keyla Detmer are sent on a top-secret mission for Starfleet Intelligence, but a Klingon attack ruins their plan and strands them on a poisoned world. Now, fighting for survival and with no one to rely on but each other, Michael and Keyla must confront their feelings for one another and the lingering pain from the last mission of the USS Shenzhou...