Jack Bauer under the alias of Frank rented a room and was living with Diane and her son, Derek in L.A, California. He worked on a construction site for a living. On the day his routine life went on, he was informed of the assassination of the former president of the United States of America, David Palmer. Furthermore Tony and Michelle became victims of a terror resulting in the death of Michelle and critical conditions of Tony. Soon, the country declared a state of emergency and CTU started to look into these cases. CTU got to know some sort of connections of these cases and managed to find out Jack was alive. Meanwhile Chloe was being followed by an unknown man who she might think of as an assassin. She contacted Jack for help. Jack met Chloe with Derek and decided to go to the place Palmer had been assassinated to find out who had killed Palmer and why. CTU got surveillance footage showing Jack had been in the spot of the assassination and considered Jack as a prime suspect based on the evidence.