Main Menu won't load scene.

So, for the game I am making I want to add a main menu. It is kind of mandatory nowadays. So I made a pretty bad looking menu but it works for testing porpoises. I use the “W” and “S” keys to cycle between the “Play” and “Exit” buttons, and “A” and “D” to cycle between levels. Normally I should be able to load the scene when I select the first level but for some reason it doesn’t want to load it. I press “Enter” and nothing happens. Is there any way to fix this?

Menu script:

using UnityEngine;
using System.Collections;
using UnityEngine.SceneManagement;
public class MenuScreen : MonoBehaviour {
    float originalWidth = 1366.0f;
    float originalHeight = 768.0f;
    Vector3 scale;
    public GUIStyle text, titleText, titleShadow;
    public Texture2D bg;
    bool playSelect = true, exitSelect = false, play = false, menu = true;
    public LevelStore[] levels;
    int levelSelectCount = 0;
    // Use this for initialization
    void Start () {
   
    }
   
    // Update is called once per frame
    void Update () {
        inputController ();
    }

    void inputController ()
    {
        if (menu == true) {
            if (Input.GetKeyDown (KeyCode.S) && playSelect == true || Input.GetKeyDown (KeyCode.W) && playSelect == true) {
                exitSelect = true;
                playSelect = false;
            } else if (Input.GetKeyDown (KeyCode.S) && exitSelect == true || Input.GetKeyDown (KeyCode.W) && exitSelect == true) {
                exitSelect = false;
                playSelect = true;
            }

            if (Input.GetKeyDown (KeyCode.Return) && playSelect == true) {
                menu = false;
                play = true;
            } else if (Input.GetKeyDown (KeyCode.Return) && exitSelect == true) {
                Application.Quit ();
            }

        } else if (play == true) {
            if (Input.GetKeyDown (KeyCode.Backspace)) {
                play = false;
                menu = true;
            }

            if (Input.GetKeyDown (KeyCode.D) && levelSelectCount < levels.Length - 1) {
                levelSelectCount++;
            }

            if (Input.GetKeyDown (KeyCode.A) && levelSelectCount > 0) {
                levelSelectCount--;
            }

            if (Input.GetKeyDown (KeyCode.Return) && levels [levelSelectCount].unlocked == true) {
                SceneManager.LoadScene (levels [levelSelectCount].sceneManagerName);
            }
        }
    }

LevelStore script (it is used to load the scene, at least that’s what the guy that made the tutorial I follow said, or maybe I misunderstood him. Correct me if I’m wrong):

using UnityEngine;
using System.Collections;

public class LevelStore : MonoBehaviour {
    public string levelName;
    public Texture2D levelIcon;
    public int hightScore = 0;
    public bool unlocked = false;
    public string sceneManagerName;
    // Use this for initialization
    void Start () {
   
    }
   
    // Update is called once per frame
    void Update () {
   
    }
}

Is it giving you any errors?

Where do you set the ‘unlocked’ to true?