Sydney now posing as Anna, brings Peyton a microchip with a device hidden in it. Meanwhile Sloane finishes translating page 47 and reports that only the chosen one can complete the circle, which leads Sark and Sydney on a dangerous mission to a prison. Rachel finally discovers Tom's secret about what happened to his wife.
Elenco: Jennifer Garner , Ron Rifkin , Carl Lumbly , Kevin Weisman , Victor Garber , David Anders , Michael Vartan , Greg Grunberg , Merrin Dungey , Bradley Cooper , Rachel Nichols , Lena Olin , Melissa George , Amy Acker , Johnny Trí Nguyễn .