For Kate, having a newborn baby means she is almost never alone. But that doesn’t mean she isn’t lonely. The move from London to Somerset with her husband Jay was supposed be the start of an exciting new chapter. But sometimes she can’t help but wonder if she turned the pages too soon. Phoebe Harrison needs a break. As a mental health nurse serving her community, the wellbeing of her patients has always come before her own. But there’s only so long she can pour from an empty cup. Looking for a lifeline, Kate and Phoebe find one in their local river swimming group. But what they didn’t expect was the buoying friendship they would find in each other.