Elder Nangong made a lot of friends in prison, so when he left prison, he received a lot of help from his friends and recuperated in the US for quite some time.
Now that he was back in the country, he adopted the surname of Tseng and obtained a certificate for the handling of explosives just so he could prepare to sneak into Tangning's team.
As for Nangong Quan, he was going to pretend that he didn't have that grandson!
...
After watching a film, Nangong Quan and Su Youran grew slightly closer to each other. After all, their intentions were elsewhere to begin with.
While Su Youran was simply happy to have Nangong Quan by her side, Nangong Quan didn't actually enjoy watching films, he just wanted to accompany Su Youran.
That night, the two of them returned home together, but as they reached the front door, Su Youran said to Nangong Quan, "I'll go in first, you can come in later..."
"Little Eggshell should be asleep by now..."