A terrorist group is planting numerous time bombs throughout the city. The player, a ninja master accompanied by a canine partner, sets out on a mission to dismantle the bombs and destroy the criminal syndicate behind these acts.
There are four different missions, consisting of three stages for the first mission and four stages each for the remaining three. In the first few stages of each mission, the player must collect a certain amount of time bombs scattered throughout the stage in order to proceed to the goal.
Source: Wikipedia, "http://en.wikipedia.org/wiki/Shadow_Dancer," available under the CC-BY-SA License.