Overview:The tragic events in Texas have sad, serious repercussions for many of the "heroes," their families and friends. Meanwhile, shocking details about the moments leading up to Isaac's predicted New York City nuclear bombing are revealed. Later, Issac's newest painting has fascinating future implications for a hero in crisis. Suresh takes the first steps along his new path. Matt and F.B.I. Agent Audrey Hanson pursue a break in the Sylar case. Horrified by Jessica's recent actions, Niki makes a tough decision to protect her family.