“What has 15 actors, four settings, two writers, and one plot?”/“632 Hallmark movies.”

The Hallmark Channel features family television programming; there are many original movies, with Christmas movies being a popular theme. Many of the movies are similar.
 
A riddle was posted on Twitter by “A Going Dog (not a real dog)” on November 24, 2019:
   
Q: What has 15 actors, 4 settings, 2 writers, and 1 plot line?
A: 632 Hallmark movies.
   
   
Wikipedia: Hallmark Channel
The Hallmark Channel is an American pay television network that is owned by Crown Media Holdings, Inc., which in turn is owned by Hallmark Cards, Inc. The channel’s programming is primarily targeted at families, and features a mix of television movies and miniseries, original and acquired television series, and lifestyle programs.
         
Twitter
A Going Dog (not a real dog)
@DogGoing
What has 15 actors, 4 settings, 2 writers and 1 plot line?
632 Hallmark Christmas movies.
9:17 AM · Nov 24, 2019·Twitter for iPhone
 
Reddit—Jokes 
Posted by u/MusicLover675 December 10, 2019
What has 15 actors, four settings, two writers, and one plot?
632 Hallmark movies.
   
Twitter
Lame Jokes
@lamejokes_net
What has 15 actors, four settings, two writers, and one plot? : 632 Hallmark movies.
3:56 AM · Dec 10, 2019·IFTTT
   
Twitter
SimonQx
@RobertFidler
What has 15 actors, four settings, two writers, and one plot?
632 Hallmark movies.
6:44 AM · Dec 10, 2019·Twitter Web App
 
Twitter
A Very Stormy Christmas
@JRWStormy
What has 15 actors, four sets, two writers, and one plot?
632 Hallmark movies
9:33 AM · Dec 10, 2019·Tweetbot for iΟS
 
Twitter
⭐Allen Harkleroad⭐️
@AllenHarkleroad
What has 15 actors, four settings, two writers, and one plot?
632 Hallmark movies.
10:06 AM · Dec 10, 2019·TweetDeck
 
LaffGaff
By laffgaff December 10, 2019
15 Actors Joke
What has 15 actors, four settings, two writers, and one plot?
632 Hallmark movies.