Widow Norma Bates and her shy teenage son, Norman, seek a fresh start in a coastal town filled with secrets. The arrival of an unexpected guest turns the Bates' lives upside down.

Dylan asks Norman to move in with him. Chaos ensues at the Bates home as Norma tells Emma that some things are better kept to themselves.

Norma and Norman face off as each suspects the other of a terrible deed. Dylan considers his future with Emma. Romero makes a choice that will have far-reaching consequences for the Bates family.

While Norman digs deep in his past in therapy and confronts some painful truths, Norma does everything in her power to keep a secret of her own from coming to light.