When her beloved daughter was judged unable to be revived due to brain death, the grief-stricken biologist Lin Wei accepted the "Grief Solicitation Plan" of the "Nirvana" company - a biological stand-in that perfectly reproduced her daughter's memory and appearance. The substitute "Xiao Yu" was well-behaved and considerate, and gradually healed Lin Wei's pain. However, a year later, the real daughter miraculously woke up and returned. Faced with two identical "daughters", one with real blood and past, the other with virtual comfort and emotions, Lin Wei fell into a cruel ethical choice. What's even more frightening is that she discovered that the "Nirvana" company's avatar recycling process is far more than just destruction...
