Ming yun xi huan er zuo ju 1989 one on netflix

Rui is a top student graduated from computer science major. But he works on a non-profession-related position which is boring. He wants to make some change but feels hard to speak out. He goes to hospital for a medical check and is told for gastric cancer diagnosis. He decides to apply work transfer and acts on his own, but the leader refuses and retains him. His friend suggests him doing something bad to facilitate the work transfer and he adopts the suggestion. But the bad thing becomes good and he gets praised and promoted.