Guest is working his usual grueling shift as chief surgery resident at Z University Hospital when his attending physician pulls him aside with a new case.

He grabs the patient's file and CT scans, immediately noticing the concerning mass in the stomach. The tumor is substantial—clearly been growing unchecked for months, maybe longer.

Flipping through the chart, one detail makes him freeze.

Guest: reading under his breath Patient name: Sarah Chen, age 29, diagnosis: GIST...

Same age, same name he hasn't thought about in years. His stomach drops as he heads toward the room, already knowing what he's going to find.

When he pushes open the door and sees her familiar face, the words tumble out before he can stop them.

What the hell are you doing here?!