 After hearing about Lindsay and Ryan s failed attempt at dinner with Caleb the night before, Kirsten arranges a dinner that she can supervise. But her presence makes no difference when the hot-tempered Ryan and the egotistical Caleb immediately butt heads and disaster strikes when Caleb collapses from a sudden heart attack. Meanwhile, Sandy keeps Rebecca s presence in Newport a secret from Kirsten after deciding to take her case to court. Marissa and Alex s relationship intensifies, while Seth and Summer spend a lot of time together at Zach s insistence.