After the disappearance of the U.S.S. Discovery, Captain Pike and Chancellor L'Rell seek to forge a peace treaty between the Federation and the Klingons. But when a new enemy threatens to sabotage the negotiations, Spock must reclaim his place in Starfleet to save his friends and prevent the outbreak of a new war! Plus, a special short story featuring Saru! Soon after the events on Q'onoS, the Discovery receives a distress call from someone from Tilly's past. It's up to Commander Saru to lead the crew against this sinister alien threat in his first mission as acting captain!