"I" always thought that my family was destitute, until I discovered that my mother had hidden tens of millions of bankbooks for 23 years, and the deposit dates were all "my" birthdays. After tracing, a shocking truth emerged. The rich twin sisters were frail since childhood, and "I" was actually raised by their biological parents to "exchange their lives" At the 24th birthday party, the ceremony was launched, and "I" exposed the conspiracy in person and called the police. My parents were arrested, and a huge inheritance was donated. However, one night, a text message from an unknown number came on: "The ceremony was successful, thank you, brother." "——Is my sister really back?