Mystery Plant #2

[mrs_sweetpeach]

Y'all did such a good job identifying the mulberry, maybe one of you can tell me what this flowering shrub might be. I struck out with every nature guide I tried. I think it's really pretty, but its growing right next to my pond and I'm worried it will turn out to be invasive or produce berries that are poisonous to my fish. Not that I've seen any sign of berries yet, but still...