Secrets and Lies (2015) - Season 1 Episode 10 -

Certain that he is not responsible for Tom's death, Ben tries to finally relax and enjoy the Christmas that he missed with his family -- until a shocking discovery changes his plans. Meanwhile, with the evidence having been re-tested, Cornell puts all the pieces together and prepares to make an arrest. But in the stunning conclusion, Ben makes a decision that will change his family's life forever. The nightmare is only just starting.