I am no expert in reviewing/analyzing plays (I’m much more familiar with musicals and see them much, much more), but here are my two cents:
Everything whizzer said is true. The first half of act 1 is “set” in 1919 Brittain; second half of act 1 is in 1937 Brittain. Second act is in 1919 Brittain again. I write “set”, because this is where the concept of time kicks in. I can’t say anything else without giving too much away.
Downton Abbey watchers will definitely remember Mrs. Crawley watching Elizabeth McGovern, who did a terrific job, by the way. The rest of the cast were great as well. Not mind-blowing, but good enough. I thought their British accents were a little off.
Yes, there is a lot of exposition. Very little action occurs (there’s singing and one slap on the face). To my own surprise, I did not get bored or lose attention throughout.
To summarize it terribly: first part of act 1 is joyful and everything’s okay; second part of act 1 is “oh no, everything is wrong and terrible”; act two, we go back to the time of the first part of act 1 (1919), but because we know what’s going to happen, it’s “aaw, they have no idea
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I guess the interesting part of the show is the fact that we’re shown the same timeline (1919) but see it in different perspectives during act 1 and act 2 respectively.
No Doctor Who-style time-traveling occurs.
I can confidently review that the theater design aspects of the show are fantastic. Neil Patel’s set of the living room(s) reflect the passing of time. Paloma Young’s costume are colorful and compliments the set very well (also helps differentiates the characters). Christopher Akerlind’s lighting takes the cake though. There IS a cool set change where all of these come together, and, yes, it is quite possibly one of the coolest set change I’ve ever seen.
Overall, I had a great and entertaining time, and the show was well worth $79.