As Marnie's health deteriorates, doctors say it's in her best interests to stop care. Defiant, her parents prepare to fight their decision. But doubt soon grows — what is right?

Andrew wavers, finding himself at odds with Nicci. With their relationship under pressure, Nicci turns to a surprising place for help. Meanwhile, Katie is torn between her parents.

Nicci's campaign becomes national news, causing trouble for Katie. Andrew doubts his choice to leave. With court looming, Nicci’s team need evidence. How far will she go to win?

In court, hope for Nicci’s case, and a surprising victory, grows. Andrew is confronted about his past behavior. As the verdict nears, who will get to decide Marnie’s future?