Doctor Leon had been waiting in the clinic for a long time, but Amos was nowhere to be found. 

Doctor Oscar stood up and said, "I don't think he's coming today, so I'll head back first!"

"Don't! Just wait for a while longer. He'll definitely come today!"

Doctor Oscar was puzzled, "Why are you so sure? You were never so confident when we were abroad!"

"That's because we didn't have a secret weapon when we were abroad! Now, we have it!"

Doctor Leon then raised his wrist and glanced at his wristwatch. 

He said, "He's coming!"

Doctor Oscar looked out the window. Amazingly, Amos was indeed here! He was here...