Millie’s got little kids and a husband who doesn’t know she’s alive. But underneath that soft mom’s body, a former softball player lurks—and when Santa brings a gym membership, it’s all Millie needs to start transforming her life.Well, not quite. She didn't realize what her body and mind had been missing until she meets Sarah, and the younger woman kindles something in Millie that feels exciting and unfamiliar and yet like coming home.