With the assistance of Peyton (Hilarie Burton) and Brooke (Sophia Bush), Lucas (Chad Michael Murray) throws Nathan (James Lafferty) and Haley (Bethany Joy Lenz) a wedding reception. Although Haley's parents (Huey Lewis, Duets and Bess Armstrong, My So-Called Life) support Nathan and Haley's marriage, Deb (Barbara Alyn Woods) has a difficult time accepting it. Meanwhile, Dan's (Paul Johansson) recent heart attack causes him to try and mend his relationships with Deb and Lucas.