Rong Ling was originally a young and promising doctor with a bright future, but was framed and his career was interrupted.
Xia Wangxing was abused by his mother because his father cheated on him when he was a child. He seems lively and cheerful but is actually dark and selfish.
The two met in college. Rong Ling pitied his life experience and defended him at all times. He was trapped in the quagmire without realizing it.
Concept: Not all mistakes can be made up for, and not all apologies can be forgiven.