She, borrowing someone else's name, just wanted to live strong, but she was becoming more and more helpless, and step by step she didn't know where she would end up, but for him, she could only hold on. He was someone else's adopted son, a substitute. He had wanted to run away for a long time, but in order to repay his kindness, he was hindered in his footsteps. He became more and more confused about that woman, so he forced himself to make cruel decisions. But in the end, the freedom he got was not what he wanted. When all the truth is revealed, what will be waiting for them?