In season two, Griffin and Harper unravel new mysteries about The Tremont, and Harper follows the real ghost back to the 1930s to learn more about her family's deep-seated connection to the hotel. When the power source to the time machine is unintentionally taken and the portal disappears, Harper becomes trapped in the past with her great-uncle Sam and great-great-grandfather Elijah, while her great-grandmother Daisy is left to navigate the present. With help from Savannah from her new life in 1962, the friends attempt to fix the time machine and bring back the portal before it's too late and their lives are forever changed.