Lap Yin found Grandma alone is the park. He offered to bring her to the hospital as she hurt herself earlier when she fell down. Grandma said she will not trust Lap Yin and vowed to fight with him till the end. Lap Yin challenged Grandma - he said that no way Grandma can be more evil than him, no way she can live longer than him!
Lap Yin admit to Grandma that he was the one who played those tricks and pranks on Grandma so that everyone would believed that Grandma is hallucinating. Grandma tried to run away again but Lap Yin stopped her. When he saw 2 strangers passing by, he quickly turned into the filial grandson and chased after Grandma, begging her to follow him home.Grandma slipped and fell, then Pui Ka and Hoi Man appeared. Grandma told them that Lap Yin admitted to playing the pranks but Pui Ka and Hoi Man don't believe her.
There are rumours circulating in Lap Yin's company that the company is having financial problems. The employees may receive their paychecks late. Sing Hei met Kelly after work and decided to asked her about the company's financial standings. Kelly said she was informed by Lap Yin that there will be new investments soon and they don't have to worry. Kelly also told Sing Hei that she doesn't mind his past.
Grandma visited Sing Hei as she needed a break from Lap Yin. She complained about Lap Yin to Sing Hei. Sing Hei told Grandma that if she wants people to believe her, she needs to have evidence. Sing Hei gave Grandma an example of how certain families install pinhole camera's to spy on their maids.
Lap Yin called Kelly to inform her that the money for the staff's salary is placed in the safe. Sing Hei saw Kelly taking money out from the safe by chance. Sing Hei is curious where Lap Yin got the money from. Lap Yin also announced increment and bonus for his staff. He also promote Sing Hei to the senior level.
Lap Yin and Pui Ka decided to help Kelly and Sing Hei patch up so they treat them to dinner. Pui Ka even praised Kelly's cooking and asked Kelly to cook for Sing Hei. Sing Hei was not to happy but he appeared casual. Kelly revealed to Sing Hei that after declaring the increment, company expenses has increased by over 10%. She also mentioned that Lap Yin got the money from investments. Kelly invite Sing Hei to celebrate her birthday with her.
Grandma saw from the pinhole cameras that Lap Yin secretly dropped a pill into her milk. She confronted lap Yin about it. Lap Yin then realised that Grandma has set up cameras all over the house. He quickly removed them all. Hoi Man told her that the pill was actually tranquilizers to treat her "hallucination" which they knew she would refuse to take. So they had to give it to her in the milk.
Luckily, there's still one more camera left in Lap Yin's room which he has not discovered. Grandma managed to capture Lap Yin's phone conversation which he instruct the lawyer to transfer all Fei Ba's money into his personal account. Grandma called Sing Hei to inform him. She also quickly rushed to meet Sing Hei to pass him the disc. Unfortunately, as Grandma was rushing to cross the road, she got hit by a car!