1) Ben is a serial killer and he murder Haemi 2) the movie try to distract us to think that Jong-su is jealous of Ben 3) Ben kills every 2 months and he confesses to Jong-su in a metaphor. 3.1) police does not care about old greenhouses burning which means “no one would care if a lonely unknown girl went missing” 3.2) burning a greenhouse every 2 months means " kills a victim every 2 months" 3.3) when Ben told Jong-su that he will burn a greenhouses nearby his area means "he will kill someone (Haemi) close to him(Jong-su)" . 4) when Ben and Heami left Jong-su, there is a clip of greenhouses burning, which means Ben kills her that night. 4.1) when Jong-su asked Ben where is Haemi, he said she disappear like a smoke means "she is dead" and meanwhile he already have a next victim which similar character of Haemi (lonely, poor and no relative) . 5) Jong-su is desperate for finding any proof due to his suspicious but the more he look for answer the more he doubt himself. 6) at one point Jong-su spied Ben to a scene where Ben stares a lake. which bring me a suspicion that Haemi body is drown in the lake since serial killer is always comes back to their crime scenes. 7) lastly, he is snapped when he released that the cat in Ben's house is Boil and Haemi's watch is found in Ben's toilet as a killing trophy. 8) Jong-su reaction is to plot Ben murder in the end.
I just leave Bad Buddy playing in the background when I sleep now hahahaha. Trying to boost their views!https://www.youtube.com/watch?v=F4Hy7ZO_Np4&list=PLYYyUhZKiEj5_rzfoSNCcJQgtao9GIQFX&index=1
SPOILERS AHEAD!!
1) Ben is a serial killer and he murder Haemi
2) the movie try to distract us to think that Jong-su is jealous of Ben
3) Ben kills every 2 months and he confesses to Jong-su in a metaphor.
3.1) police does not care about old greenhouses burning which means “no one would care if a lonely unknown girl went missing”
3.2) burning a greenhouse every 2 months means " kills a victim every 2 months"
3.3) when Ben told Jong-su that he will burn a greenhouses nearby his area means "he will kill someone (Haemi) close to him(Jong-su)" .
4) when Ben and Heami left Jong-su, there is a clip of greenhouses burning, which means Ben kills her that night.
4.1) when Jong-su asked Ben where is Haemi, he said she disappear like a smoke means "she is dead" and meanwhile he already have a next victim which similar character of Haemi (lonely, poor and no relative) .
5) Jong-su is desperate for finding any proof due to his suspicious but the more he look for answer the more he doubt himself.
6) at one point Jong-su spied Ben to a scene where Ben stares a lake. which bring me a suspicion that Haemi body is drown in the lake since serial killer is always comes back to their crime scenes.
7) lastly, he is snapped when he released that the cat in Ben's house is Boil and Haemi's watch is found in Ben's toilet as a killing trophy.
8) Jong-su reaction is to plot Ben murder in the end.
https://www.youtube.com/watch?v=F4Hy7ZO_Np4&list=PLYYyUhZKiEj5_rzfoSNCcJQgtao9GIQFX&index=1