Good Behavior

"The Ballad of Little Santino" - Tuesday, Dec. 20, at 9 p.m. (ET/PT) - TV-MA

Letty (Michelle Dockery) and Javier (Juan Diego Botto) attend the mysterious and explosive reunion of Javier's immediate family. Letty does her best to play the role of Javier's girlfriend while trying to find out as much as she can about Javier's past. But a tragic history unfolds right before her eyes as a newly protective Letty learns Javier's most closely-guarded secret.

Directed by Phil Abraham

Written by Brett Johnson

Created by Chad Hodge & Blake Crouch

Based on the Letty Dobesh books by Blake Crouch