Board Thread:Announcements and Updates/@comment-4712589-20140909054919/@comment-24013204-20140915150345

Playstation Plus isn't required for Ps4, only for fireteams in the Crucible and Strike/Raids. You can play the game fine without it. And if only one account on your Ps4 has Playstation Plus, then everyone on that Ps4 can play the Crucible, Strikes, and Raids.