Tensions run high as Lucas must face his past and choose his future, while he discovers the demands of being the coach of the Tree Hill Ravens. Haley's decision to hire a nanny brings much-needed help into their home, while her first day of teaching turns out differently from what she expects. Jamie sets his sights on a Soap Box derby race and enlists Skills to help him out. Meanwhile, Mouth's excitement about his new job is tempered by his demanding new boss.