Answer:
The first bomb goes off in the kitchen of the Theodorakis family's coffee shop, the second goes off in the kitchen of Hoo's restaurant, and the third goes off in the Wexlers' apartment during Angela's bridal shower. It's eventually revealed that Angela herself is the one who set these off. Turtle sets off a fourth bomb in the elevator and she burns her precious braid.
I had to do a bit of reasearch I hope that is ok
