This kind of marks the end of this episode.
Source: chinesesniperMother’s Day.
A little back story:
Cheung On left home at the age of 21. She never really bothers to send letters or call home, and started roaming around cities jobless or doing part time for short period of time.
She seeks acknowledgement for her acting skills and agility, doing street performing, attempts to apply to be theatre actors, but none were successful.
One night on the streets, she faced with a number of robbers and fought to defend for herself. She managed to take down one or two of the robbers but they were armed with knives, making her less advantaged in the fight. In a moment they here a gun shot from a revolver, it hit one of the armed robbers. Reveals to be Diana (BLU spy), who happened to be on off day, and chanced upon the robbery. She helped Cheung On fend off the robbers, and complimented her for her courage to fight back, even suggested her to join the BLU team for a high-paying, full of action and excitement job (with a nice colleague to receive care from).