Ending of the Isolated Station Event.
Beginning of the Missing Event for TNG characters and starships. Duration: 2 weeks for Easy and Normal versions; with staggered-start 1 week for Legendary version.
Levels of the Event are timed to open throughout the first week, revealing the storyline about Q, the Borg, and a conjured-up trial. By the end of week one, all levels are open for Easy and Normal versions. Also, at the end of week one, the Legendary version becomes available (all levels, open immediately).