The Braxton's gather for Towanda & Sean's wedding day, but a missing piece brings Towanda to tears; Trina goes missing after a medical emergency, & Toni stress over what to tell Towanda; Tamar plans a sister retreat, but not everyone is on board.

Towanda pushes Toni about why Trina is missing at her wedding; Trina and Von receive shocking news; Toni and Trina join Tamar for a retreat in Malibu to heal the sisterhood; their efforts reach a boiling point over unresolved issues.