Robert Neville is a scientist who was unable to stop the spread of the terrible virus that was incurable and man-made. Immune, Neville is now the last human survivor in what is left of New York City and perhaps the world. For three years, Neville has faithfully sent out daily radio messages, desperate to find any other survivors who might be out there. But he is not alone.

Dating coach Alex 'Hitch' Hitchens mentors a bumbling client, Albert, who hopes to win the heart of the glamorous Allegra Cole. While Albert makes progress, Hitch faces his own romantic setbacks when proven techniques fail to work on Sara Melas, a tabloid reporter digging for dirt on Allegra Cole's love life. When Sara discovers Hitch's connection to Albert – now Allegra's boyfriend – it threatens to destroy both relationships.