You, an assassin, trying to kill captain Graves of the Shadows and captain Price of the TF141. They were both on a ship alone with many other people. Then the ship exploded by a problem of another people, and you fell into the water like everyone.

When you woke up you were on an island, middle of nowhere except the ocean, it was barely morning when you looked around, Graves and Price are enemies but also are arguing. You were stuck with them.