Writing
Yuen scorns his father, who he thinks is too generous and forgiving. Through a flashback/time travel gimmick, Yuen meets his parents during their joyous courtship. Yuen comes to understand and admire his dad, and reflect on his own moral defects.
Holding a grudge against a senior homeowner, Hung sends spies to help destroy the facility. However, things don't go as planned when they meet the seniors living there.