The film 'Plainclothes' centers on a gay male protagonist's coming out story and suppressed sexuality in 1997. Based on available information, there are no descriptions or mentions of transsexual characters, transgender themes, or gender transformation within the movie's plot or character arcs. Therefore, the film's portrayal of transsexual characters and themes is N/A.

The movie does not contain any action or adventure elements.

Plainclothes is an original screenplay with newly created characters. There is no prior source material, historical record, or previous installment from which character genders could be established and subsequently altered.

The film "Plainclothes" is an original story with newly created characters. There is no prior source material, historical record, or previous adaptation to establish a canonical race for any character, thus precluding a race swap.