I was on a business trip abroad when I received the bad news that my son was seriously injured in a car accident. The husband decided to give up treatment and be cremated directly. When I came back, only a small handful of pale ashes was left. I was so distressed that I asked my husband why he suddenly wanted to take his son who was under twelve years old to participate in professional cycling training. He hesitated and said that he wanted to train his children to be tough and that the car accident was just an accident. Later, I discovered that two sleeping pills were missing from the drawer for no reason, and I discovered the dirty secret of their cycling group from my husband's mobile phone – it turned out that it was a self-guided cycling tour, but it was actually an ambiguous group recruiting men and women! I asked my husband like crazy how on earth my son died. But he struck first and pushed me down the stairs to my death. After resurrecting my life, I returned to the day when my son was still being rescued...