Biographical look at the bombastic love affair that writers Dashiell Hammett and Lillian Hellman shared in 1940 and 50's Hollywood. Refusing to marry, but deeply in love, the two engaged in many affairs and battled alcoholism.

When a baby boy shows up on their doorstep days before Christmas with a note written specially for them, Erin and Kelly must learn how to navigate their new relationship and career dynamics while unexpectedly caring for a newborn.