In 2268, the Defiant responded to a distress call in the unexplored Tholian Sector. The crew of the Enterprise discovered the ship adrift three weeks later, caught in a phenomenon known as interphase. A boarding party discovered signs of insanity and mutiny.. The question they now faced was "What happened?"
You can easily access this mission by creating a new “Starfleet” character from the character creation screen. Look for future updates on new missions as the launch day approaches, and we’ll see you in-game for the release of Agents of Yesterday.