A professional cellist has an encounter with a stranger on the subway which has unexpected and far-reaching ramifications on his life.

Jessica gets dumped before Christmas. She sends 5 Christmas cards, affecting her BFF, brother, aunt, pop star, and past music/cello teacher, meeting her single, photographer son.

Nico Rinaldi gets Dr. Matthew Heller to see his wife Silvia, born D'Alessandro, privately, about a tumor. This stirs doc's memory how they met 15 years before, as young medical idealists, postulating for a relief expedition to (ficti