《虚拟人生》深入观察了3组计算机玩家因沉迷于“大型多人在线游戏”（MMO），生活彻底改变。这种“在线游戏”是最新流行的计算机游戏类别，像“魔兽世界”、“第二人生”、“无尽的任务”等等，能让成千上万的玩家们在虚空间中互动。

Second Skin takes an intimate look at three sets of computer gamers whose lives have been transformed by online virtual worlds. An emerging genre of computer software called Massively Multiplayer Online games, or MMOs, allows millions of users to interact simultaneously in virtual spaces. Of the 50 million players worldwide, 50 percent consider themselves addicted.