Chapter 502 You are her biological mother!

There were two ways to unlock it- using the fingerprint or swiping the card. The only card which could unlock the door was taken by Han Dongxu, as for the fingerprint, they entered Professor Qin’s at the early time. Yet, after the accident of Joanne’s escape, they changed the fingerprint into Butler Han’s. Butler Han was a cautious man. He was the only person Han Dongxu trusted, so he came to deliver three meals a day to Joanne and May every day. There were these two ways to get to the lab...