Complete mission walkthrough:
The game will begin with a very interesting cut-scene (#1). Our main characters will plan their next moves. You will also have an opportunity to enjoy a nicely done background of the Shipwreck City. Get ready. For the most of the mission, you'll be playing as Jack Sparrow. Start off by destroying some of the nearby crates. One of these objects will contain your first pendant (#2). You will have to find five of these items, so there's four left.
Head on to your left. You may consider talking to one of the pirates. You can find him by searching for a yellow icon (#1). Once the conversation has started, you will have to choose correct answers - the second and the first one. Proceed to the next section. You will encounter two pirates along the way (#2). Ignore them for the time being. Keep moving left.
Once you're close enough to a large yellow gate, a new cut-scene is going to be displayed on your screen (#1). You'll find out that you will have to find and rescue two other Pirate Lords. They are probably being held by some mercenaries. Destroy all nearby crates. It's important, because one of these objects will contain a second pendant (#2).
You will be able to fulfill two side missions here. If you want to find out how good you are at playing poker, you will have to talk to a guy who should be standing on your right (#1). The other pirate is organizing a dice game. He will be standing on your left (#2). If you want to skip these activities and proceed with the main task, head on to your left.
Keep heading left (#1). Sadly, you won't find any crates or barrels here, so you won't have to make any unnecessary stops. You should be able to reach a new location very soon. The game will display a longer cut-scene. Our main character will have to get rid of a mini-boss who's guarding (holding hostage - to be exact) one of the Pirate Lords. I'd strongly recommend choosing faster attacks (#2). A few of these hits and you will have one problem less to worry about.
Destroy a single crate and enter this small building. You will have to get closer to a chair. Press the action key (#1) in order to rescue one of the Pirate Lords (funny animation ;-)). Now you will have to listen to a short dialog. As a result, your next objective will be to escort the Pirate Lord to the yellow gate (#2). As you've probably suspected, it's not going to be easy, because you will have to protect the Pirate Lord against other enemy units.
Start moving towards the right edge of the screen. You won't have to worry about the Pirate Lord being stabbed in the back, however you will have to defeat all enemy units before he reaches one of the holes in the ground. The first group will appear right away (#1). Once you've taken out all enemy units, head on to the glowing area and press the action key (#2). You have to be quick about it. Pressing the action key will allow the Pirate Lord to keep moving.
Head on to your right. You are going to be attacked by a second group of elite mercenaries very soon (#1). Additionally, you will have less time to kill them, so you should consider using special attacks, because they will seriously wound your opponents. Once they're gone, stand near the glowing area and press the action key (#2). If you were too late, you would have to start over.