For more than a decade after they got married, they have no children. She was sad about it. They did a lot of work, but they didn't succeed. In the end, she was going to make a final effort, and if she failed, she would give up. And this time, she's pregnant. She gave birth to a healthy daughter. However, she was diagnosed with cancer. This time, she wanted to try again for her daughter. But unfortunately, two years later, she died.
He lost his wife, had to hire a nanny to take care of their daughter. Two years later, the babysitter became his wife, his daughter's mother.