Haha, no worries! Below is the plot I had in mind. Feel free to modify, add,subtract, etc.

Plot:
After Ethan and the newly resurrected IMF take down Lane, the Syndicate's operatives are left to fend for themselves. Some turn themselves in after finding no alternative, others go into hiding, but one specific operative refuses to be stymied by the recent turn of events. Her name is Ling Shi Hua, a planted operative in Hong Kong intelligence that had been tasked by Lane to gather intelligence on specific terrorist cells and orchestrate a war between the cells to de-stabilize Hong Kong, forcing a major point of trade to essentially collapse. She had been in the planning stages when Lane was taken in, but her agenda remains.

The IMF receives information about a possible terrorist group plotting a bombing on the U.S. embassy in Hong Kong, which is where our characters enter the fray. With Ethan and the rest of the crew deployed elsewhere, it's up to two new recruits, the best of the best, to infiltrate Hong Kong and stop the bombing.

From there, we can collaborate and figure out where to go. What do you think?

I think that is a good starting point to work with! Starting with cell destabilization into finding out information or getting a lead from the bomb plant to another lead which brings them to another phase in the operation. As for how the bomb plant will succeed we would need to think of a way she, or her henchmen, plan on getting the bomb inside or around. It doesn't seem like the highest level facility around. Note: Searching thee building quickly it's technically called The Consulate General of the United States. However, it's easier to call it the Embassy.

The Consulate General of the United States, Hong Kong [+]

Absolutely!

Haha, yeah, that doesn't seem very secure. I'm sure we can come up with additional security measures.

Soooo, questions:
-PM or thread?
-Character sheets or no? (I don't usually do them, but sometimes I do just so that my thread partner can at least know what they look like/what his name is)
-Mind if I send you an opening post and then we can go from there?

I can do either PM or thread. But I think thread is handy for OOC and IC availible. PM's can be used for anything 18+ such as torture etc is it comes up say one gets captured or something mature simply comes up. I would post a lite character sheet on the thread just to have an image there as reference because it helps. Mainly the sheet just being name and image less you think up more. Other than that I think it would be good to go and we can talk more about security by instead of bombing the embassy they might bomb the Hong Kong government building. As for upsetting terrorist cells to fight one another I would need to understand how bombing a government building makes them fight. Perhaps the bomb was to have one cell acquire something they wanted which another cell attacks them for as she leaked the information on purpose to them. That way whatever cell end up with the item she is still friends with since she aided both without the other knowing.