Two can keep a secret if one of them is dead.
Raven Branwen visits the grave her former friend Summer Rose, after all the events that happened on Mistral. (RWBY Vol. 5)
This will continue from where Volume 4 left off. Ruby, Pyrrha, and Naomi, and Qrow are in Mistral and about to see Haven. Cinder and Rachel will be on the move soon. Yang and Blake are on there way to find whoever. Weiss is on her way to Mistral to find Winter.