Synopsis

Hiro seeks to unravel the enigma of Arthur Petrelli's origins, hoping to understand the genesis of Pinehearst, his formidable rival, and the depth of his animosity toward Angela. Burdened by remorse, Sylar struggles to restrain his predatory impulses, as HRG and Elle both vie for the chance to end him. Meanwhile, Meredith’s rigorous training is disrupted by the unexpected arrival of her brother.