An attorney starts dating an executive, who becomes increasingly obsessed with her.

Hayley stumbles upon a bundle of letters with an engagement ring from a mysterious sender, she decides to respond to him with her own alias, and with it start the anonymous correspondence that will change her life forever.

Two single parents of young daughters, grow closer as they contribute to each others' projects - Cadence with the wedding and Henry with his high-profile client, Mrs. Sutton, and her annual VIP Christmas Eve party.