Angel - The Complete Season 4
With both Angel and Cordelia still missing, Fred, Gunn and Connor try to keep Angel Investigatiosn running while they search for their friends. Ironically, the man everyone believes betrayed Angel is the one who finally comes to Angel's rescue. Then Cordelia mysteriously reappears with no memory of her life / her friends. Confused, she chooses to take refuge with Connor -- setting into motion events that will alter their lives forever.