Episode: 4x10 (Season 4 Episode 10) Name: Songs To Love And Die By Originally Aired: Dec. 06, 2006 Plot: After the accident, Lucas receives a shocking visitor -- his supposedly dead Uncle Keith. Keith guides Lucas through what life would have been like had Lucas not been the good guy he had been and pressures Lucas to remember what really happened the day Keith was murdered. Both Haley's life and the life of her child are threatened after experiencing serious pregnancy complications. Meanwhile, as Haley lies in a coma Nathan tries to deal with the guilt of his deal with Daunte; Dan tries to make things right concerning Keith's murder; and Peyton and Brooke work on becoming friends again.