There is no one that Karen West trusts more in the world than her best friend, Charlie, who lives just across the hall from her. Unfortunately, her abusive fiancé, Walter, doesn't feel the same. Fiercly protective of her, Charlie intervenes one night when Walter threatens Karen, changing everything. After Charlie saves her and reveals his true feelings, he and Karen enjoy several passionate liaisons that lead her to discover another side to her best friend and confidant. As Karen tries to reconcile her feelings and relationship with Charlie, she returns to work the following Monday where she is promptly told that Walter, the president of the bank and her boss, has accused her of being obsessive and unstable. After she is fired, Karen is contacted by Walter's ex-wife who provides her with an enormous final paycheck and a lead for another job. But when she realizes that what she has just walked into is more than a job, Karen is led down a new path filled with lustful encounters and a surprise that changes everything once again. Paternity is the story of one woman's quest to find true love as she becomes intertwined with a group of wonderfully flawed characters who are determined to create their own destinies.