Hi. I think I have seen a movie where a girl secretly goes into a cake store as part of the plan to bring down the bad guy, but the bad guy already knew she would go there, so he was waiting for her, and revealed his presence via a phone call to her. what ensues is a little action as she tries to get out of the store. There might have been a big sister to help her in the background possibly.

Anyone know a movie that contains this scene?

There's a scene similar to what you describe in So Close, where Vicky Zhao Wei is making a purchase in a bakery and cop Karen Mok spots her; a chase ensues and she's ultimately helped out by her big sister Hsu Chi.

You're onto something. Thanks