Heart of Darkness - Season 1 Episode 1 -

After her divorce, Stacie Smith is eager to settle into a new home to celebrate Christmas with her children. But three days later, Stacie is found dead in her kitchen. The only trace of the killer is an inflammatory message on the wall that accuses Stacie of infidelity. With the writing on the wall as their first clue, police must unpack the secrets in Stacie's life to find her murderer.