C300 She Thought too Highly of Herself!

Old Master Gu said coldly, "If your sister knew that her younger sister and niece had actually drugged her son, she definitely wouldn't have asked me to take care of you two."

Even if they were biological sisters, was there any point in having a biological son?

His son was the treasure that his wife and he had been looking forward to for so long.

When his wife was still alive