The timeless tale of At Ocean's Door continues with Sail on Serenade. Summer has ended and Noah Sullivan prepares to embark on a high seas adventure with his friend and mentor, Conrad. Noah confronts the ghosts of his past while forging a path to his future, and Conrad faces troubles of his own.

Meanwhile, the Stephens family has made a fresh start in Boston. Lily is committed to finishing her schooling, content to wait for Noah to return in the Spring. Sudden, unforeseen events force Lily to confront incredible challenges she isn't prepared to face.

Weeks turn into months and the physical separation begins to wear on the young couple. Old flames are rekindled and new jealousies are ignited as Noah and Lily struggle to stay focused on what really matters. Will a tenous ray of hope be enough to keep them from drowning in the rough waters of life that threaten to drive them apart?