I don't remember this at all. I thought Terui was after this Dopant because of his abilities to freeze people People order flowers, that's not exactly suspicious behavior. If what you say is true, the writers probably did this to add a red herring When Terui dragged Shotaro to the first crime scene...

So Terui thought his family's murderer was Ice Age Dopant because the same flower from his cases also appeared at the scene of his family's murder. But now that we all know it was actually Weather Dopant responsible then how did those flower get there (Terui family's murder) in the first place? I ju...

Episodes 19-21 from Kamen Rider W HD batch are a bit lagged when I watched it, am I the only one getting this problem? I tried playing each twice after my laptop rebooted.