diff --git a/.gitignore b/.gitignore
index a72b52e..49db3e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,5 @@ results
 
 npm-debug.log
 node_modules
+
+build/
diff --git a/lib/index.js b/lib/index.js
new file mode 100644
index 0000000..83ea727
--- /dev/null
+++ b/lib/index.js
@@ -0,0 +1,52 @@
+(function() {
+  'use strict';
+
+  var sass = require('node-sass'),
+      each = require('async').each,
+      join = require('path').join,
+
+      isSassFile = function isSassFile(filename) {
+        return (/.*\.scss/).test(filename);
+      },
+
+      compile = function(basePath, files, filename, done) {
+        var file = files[filename],
+            includes = this.includePaths || [],
+            outputStyle = this.outputStyle || 'compressed',
+            imagePath = this.imagePath || '/';
+
+        if (isSassFile(filename) === true) {
+          sass.render({
+            file: join(basePath, filename),
+            includePaths: includes,
+            imagePath: imagePath,
+            outputStyle: outputStyle,
+            success: function(css) {
+              // replace contents
+              file.contents = new Buffer(css);
+              // rename file extension
+              files[filename.replace('.scss', '.css')] = file;
+              delete files[filename];
+              done();
+            },
+            error: function(err) {
+              throw err;
+            }
+          });
+        } else {
+          done();
+        }
+      },
+
+      compileSass = function compileSass(files, metalsmith, done) {
+        var basePath = join(metalsmith.dir, metalsmith._src);
+        each(Object.keys(files), compile.bind(this, basePath, files), done);
+      },
+
+      plugin = function plugin(options) {
+        var config = options || {};
+        return compileSass.bind(config);
+      };
+
+  module.exports = plugin;
+}());
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..a8e39b4
--- /dev/null
+++ b/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "metalsmith-sass",
+  "version": "0.1.0",
+  "description": "Sass plugin for Metalsmith.",
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "mocha --reporter spec test/test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/stevenschobert/metalsmith-sass.git"
+  },
+  "keywords": [
+    "metalsmith",
+    "sass"
+  ],
+  "author": "Steven Schobert <spschobert@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/stevenschobert/metalsmith-sass/issues"
+  },
+  "homepage": "https://github.com/stevenschobert/metalsmith-sass",
+  "devDependencies": {
+    "metalsmith": "^0.3.0",
+    "mocha": "^1.17.1",
+    "rimraf": "^2.2.6",
+    "assert-dir-equal": "^1.0.1"
+  },
+  "dependencies": {
+    "async": "^0.2.10",
+    "node-sass": "^0.8.1"
+  }
+}
diff --git a/test/fixtures/basic/expected/main.css b/test/fixtures/basic/expected/main.css
new file mode 100644
index 0000000..365045c
--- /dev/null
+++ b/test/fixtures/basic/expected/main.css
@@ -0,0 +1,2 @@
+.myclass {
+  background: #eee; }
diff --git a/test/fixtures/basic/expected/oldfile.css b/test/fixtures/basic/expected/oldfile.css
new file mode 100644
index 0000000..94d2888
--- /dev/null
+++ b/test/fixtures/basic/expected/oldfile.css
@@ -0,0 +1,4 @@
+.shouldnotchange {
+  width: 50%;
+  color: red;
+}
diff --git a/test/fixtures/basic/src/main.scss b/test/fixtures/basic/src/main.scss
new file mode 100644
index 0000000..cbffefe
--- /dev/null
+++ b/test/fixtures/basic/src/main.scss
@@ -0,0 +1,5 @@
+$color: #eee;
+
+.myclass {
+  background: $color;
+}
diff --git a/test/fixtures/basic/src/oldfile.css b/test/fixtures/basic/src/oldfile.css
new file mode 100644
index 0000000..94d2888
--- /dev/null
+++ b/test/fixtures/basic/src/oldfile.css
@@ -0,0 +1,4 @@
+.shouldnotchange {
+  width: 50%;
+  color: red;
+}
diff --git a/test/test.js b/test/test.js
new file mode 100644
index 0000000..4c0afc1
--- /dev/null
+++ b/test/test.js
@@ -0,0 +1,37 @@
+(function () {
+  "use strict";
+
+  var each = require("async").each,
+      join = require("path").join,
+      metalsmith = require("metalsmith"),
+      rm = require("rimraf"),
+      sass = require(".."),
+      equal = require("assert-dir-equal");
+
+  describe("the plugin", function () {
+    beforeEach(function (done) {
+      var dirsToClean = [
+        join(__dirname, "fixtures/basic/build")
+      ];
+      each(dirsToClean, rm, done);
+    });
+
+    describe("core", function () {
+      it("should compile sass files", function (done) {
+        metalsmith(__dirname)
+          .source("fixtures/basic/src")
+          .destination("fixtures/basic/build")
+          .use(sass({
+            outputStyle: 'expanded'
+          }))
+          .build(function (err) {
+            if (err) {
+              throw err;
+            }
+            equal(join(__dirname, "fixtures/basic/build"), join(__dirname, "fixtures/basic/expected"));
+            done();
+          });
+      });
+    });
+  });
+}());