Yijuan, who is 25 years old and has been working for a year after graduating from college, is a simple and rehabilitated girl. When she was 6 years old, she watched her mother leave her in hatred. Yijuan hated her mother for abandoning her and her father. Yijuan's father is a kind and honest man who works on the construction site. One person worked hard to support Yijuan through college. Yijuan was lucky enough to join a large company. She has been working attentively for almost a year. She was very lucky to have a good father who accompanied her as she grew up. Yijuan bought a lot of things that day and planned to celebrate her father's 53rd birthday. When Yijuan walked to the construction site, she heard news that made her feel the end of the world. Her father fell downstairs and was sent to the hospital for rescue. Yijuan ran into the hospital crying, but was told by the doctor that her father's legs were paralyzed and she didn't know when he would wake up. Yijuan lay desperately on her father's hospital bed and cried bitterly. At this moment, Yijuan discovered a familiar yet unfamiliar figure outside the door...