Zhang Xinxin, a taciturn and ordinary young man, thought his life would flow as plainly as stagnant water, but he encountered a strange system bug in an accident. He was forced to start a life exchange with a stranger he had never met before. On one side, he had his ordinary daily life, and on the other side, he had a completely different life trajectory.
The fantastic exchange mechanism broke his routine life, and there were unknown variables hidden in the healing routine. Through exchanges again and again, Zhang Xinxin gradually came into contact with different life styles, and began to face his inner cowardice and desire. And behind the system that creates bugs, there seems to be a bigger secret hidden. Can he keep himself in the chaotic exchange, can he solve the mystery of Bug and find his own life?
