Souls of the Sewer

Kids all over the city have gone missing and since the police have given up the search, you and your friends have decided it's up to you to find them. As you're searching, you hear one of their voices call out to you from a manhole and you all decide to climb down. As the last person climbs down, the ladder breaks trapping you all below. Will you find your way out or suffer the same fate as your missing friends?