When a mysterious rival uses a time machine to frame Detective William Murdoch of a murder he didn’t commit, his great-great-great granddaughter Macy and her friends, Zane and Billie, must travel back in time to re-examine the clues and find the real perpetrator of the crime.

In season two, the gang is pulled into a dangerous game after they find Macy’s dead body in 1910, believing her death is tied to someone seeking revenge. As the mystery unfolds, they learn that a vengeful figure from Macy’s lineage, James Gillies, may be behind it all. With the stakes higher, Macy’s detective skills are crucial as they race against time to solve the perfect murder.