No one knows Dr. Henry Morgan better than his best friend and confidant, Abe. The keeper of Henry's immortality secret, Abe's carpe diem philosophy inspires Henry to get more in touch with the beauty of living. Abe is not immortal but he is determined to make the most out of every moment of life. Abe balances running an antique shop in Lower Manhattan with a very active social life something he encourages Henry to try. Through the course of the series, we find that Abe not only knows Henry's precious secret, but has experienced the woes of immortality up close and personal with him over the years ...as Henrys adopted son.