Father-in-law and Son-in-law

Park Jin-gi, a third-rate movie star is now out of fashion. Do-pil, a third-rate singer whose goal is to produce an album, and Jin-gi, whose goal is to produce a movie, were just trying to do well in Busan, where they left to find investors, but the results were a mess. In the end, Jin-gi, who was kicked out of the house, begins to live together with his father-in-law, who suffers from dementia due to his mother-in-law's scheme and is mentally unstable and constantly has accidents...