Thursday night’s episode of CBS ‘ Ghosts, aptly titled “St. Hetty’s Day,” reveals that the Gilded Age aristocrat’s power is tied directly to her Irish ancestry. As it turns out, Hetty has quite a powerful ability, albeit only on one day per year. On St. Patrick’s Day, she can be seen by the living.

After a long wait, Ghosts season 4 finally reveals Hetty's (Rebecca Wisocky) much-discussed sprits powers, and frankly, it does not disappoint.

For four seasons, Ghosts has teased viewers about Hetty’s ghost power, often using the others in the house to mock her for not having one. But gone are those days because as revealed in “St. Hetty’s Day,

Ghosts star Rebecca Wisocky breaks down Hetty's emotional St. Patrick's Day power, unpacking the importance of her experiences in the episode.