Things You Don't Tell (2006)

Love blooms between Samantha (Amanda Baumann) and married man Chris (Edward F. Villaume), but trouble strikes when they are spotted together by Chris's mentally ill brother-in-law, Ted (Ryan Reyes), a graphic artist who likes to impersonate his own vigilante creation, the Hawk. Meanwhile, Chris's wife, Doris (Noel Thurman), is terrorized by a stalker when she takes her two kids on the run in this nail-biting thriller.