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.

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

The hit CBS comedy "Ghosts" reveals a new twist as Hetty, played by Rebecca Wisocky, discovers her unique ability. This week's episode explores her Gilded Age aristocrat character's Irish roots, adding a surprising layer to the supernatural series.

Warning: The following contains spoilers for Thursday’s Ghosts. Proceed at your own risk! After four seasons, Hetty finally has a power… at least for one day a year. On this week’s Ghosts, the Woodstone robber baroness discovered that she can be seen by livings,

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,