Who says you can't find love in the middle of a midlife crisis? At 18, Elizabeth Bitty Rhinehart leaves her suburban Boston family home, bound for college in the Midwest. Forty years later, her sister in crisis, Bitty returns and ends up rebooting her own life.

She quits her high-pressure CFO job, insists that everyone calls her Beth, and becomes a school crossing guard. Chief Mike Ponce rises quickly through the ranks of his hometown police department on Cape Cod, but being in charge isn't all it's cracked up to be. Now in his mid-50s, twice divorced, adrift and dissatisfied, he begins to accept the idea that he'll be alone for the rest of his life.

What happens when two successful people who think they have it all figured out learn that, in fact, they don't?