I should also consider that "piece looking into 3 on a bed" could be a mistranslation. The original term in Bengali might have been different. Maybe "piece" refers to a character's reaction, like a character analyzing something related to the number 3 on a bed. For instance, a character counting three items on the bed or seeing a number three tag on the bed linens.
I might need to ask the user for more details or check if there's a specific movie they're thinking of. If they can provide the title correctly or more context about the plot, that would help. Alternatively, if the user is thinking of a movie where a character sees the number 3 on a bed in a significant way (like a code, a clue, or a symbolic number), but I can't recall any such movie in Bengali cinema. 3 on a bed bengali movie wikipedia
Alternatively, the user might be referring to a scene where a character wakes up in a hospital bed and sees the number 3 on the bed, which could be part of a plot twist. Or maybe three people sharing a bed in a comedic or dramatic context. But without more context, it's challenging to pinpoint the exact movie. I should also consider that "piece looking into