bedrock-autoloader.php
public function loadPlugins()
    {
        $this->checkCache();
        $this->validatePlugins();
        $this->countPlugins();

        foreach (self::$cache['plugins'] as $plugin_file => $plugin_info) {
            include_once(WPMU_PLUGIN_DIR . '/' . $plugin_file);
        }

        $this->pluginHooks();
    }
public function loadPlugins()
    {
        $this->checkCache();
        $this->validatePlugins();
        $this->countPlugins();

        foreach (self::$cache['plugins'] as $plugin_file => $plugin_info) {
            include_once(WPMU_PLUGIN_DIR . '/' . $plugin_file);
        }

        $this->pluginHooks();
    }
Run some checks then autoload our plugins.