Newlyweds Anastasia Steele and Christian Grey fully embrace an inextricable connection and shared life of luxury. Soon after their honeymoon, reality sets in as new threats could jeopardize their happy ending before it even begins. Anastasia steps into her role as Mrs. Grey and adapts to the wealth and traditions of Christian's world without losing her identity. Meanwhile, Christian wrestles with his inner demons and must contend with the anger and envy that comes with an opulent lifestyle. Their love is tested by events that come to complicate their lives.

The couple faces various challenges that test not just their love but their resolve. As they try to leave behind the shadows of their past, dark events come to light that threaten to destroy their shared future. Meanwhile, Anastasia's career begins to flourish as she becomes more assertive and confident, which poses new elements of control and power dynamics between her and Christian. A figure from their past emerges, bringing danger and revenge, which forces them to re-evaluate what it means to have a truly happy and secure relationship.