Responses

1. Bum bought Sangwoo ring with the money and he wanted to hide it in the medicine box, but he accidentally drop the medicine and some of the pills fell under the cabinets, so he couldn't put back them all. Sangwoo had PTSD that his mom poisoned his dad and him, so he thought Bum might do the same. He was suspicious Bum might try to kill him, because Bum looked at the cabinet a lot. In fact Bum was anxious about Sangwoo finding out the ring, bcs he inteded it to be surprise.
2. might be bcs the pills spilled.
3. yes
The truth is Bum never try to kill Sungwoo right?
1. so what Bum was trying to do with those medicine (like he's trying to get something in that medicine basket)
2. after that Sungwoo count the number of medicine and why it remain not the same amount??
3. and about the last scene that Sungwoo about to stab Bum with knives, do you think that he were really going to do that?? (just want to know your opinion)