Lucas receives an unlikely visitor -- his supposedly dead Uncle Keith. Haley's life and the life of her unborn child are threatened when she experiences serious complications with her pregnancy and Nathan wrestles with the guilt and consequences of his dealings with Daunte. Dan tries to make amends for Keith's murder. Peyton and Brooke try to patch up their differences.

With senior prom only weeks away, Haley's frustration over her injuries increases and Skills and Mouth hatch a plan to help Nathan earn money for the big dance by stripping. Brooke betrays Rachel in order to get closer to a new guy and Peyton and Lucas resolve to be happy. Struggling with her drug addiction, Deb makes a choice that could end her life.