Ngan Suk-wai was acquitted of wounding with intent Anis Andriyani, her Indonesian domestic helper, earlier this month.
There were no ominous signs when Ngan Suk-wai left her Pok Fu Lam home for work on February 24 last year.
She did her usual morning routine before heading out. As she departed, she recalled specifically her recently employed Indonesian domestic helper close the door for her.