As the spirit of the season spreads through the seaside hamlet of Cape Light, town mayor Emily receives an unexpected and precious Christmas gift: a baby girl tucked away in a decorative cradle set up outside the church, with a note begging whoever discovers the child to take care of her. Now, in the midst of the year's most joyous season, Emily must come to terms with her duty to her family, her own feelings of regret and loss-and what her heart truly desires.