When four ruthless, powerful Villains -- Knox, Flint, The German and Jesse -- bust into a bank and take hostages, Angela sends H.R.G. and his shocking, new empowered partner in after them. Determined to derail a cataclysmic future, Peter must first find what he lost along the way. Meanwhile, Hiro and Ando track Daphne and part of the formula to Germany, but run afoul of The Haitian. Horrified by her ability, Tracy Strauss leaves Washington, D.C. to search for answers about Niki. A distraught Claire asks Meredith to teach her how to fight. As his romance with Maya intensifies, Suresh finds himself unprepared when his experiment yields some unexpected results.