Frank and Sarah Malloy are getting ready to celebrate the New Year 1899 at Trinity Church when they notice their neighbour Mr. Pritchard behaving oddly and annoying the other revellers. Frank tries to convince Pritchard to return home with them, but he refuses. The next morning Sarah and Frank are horrified to learn Pritchard was murdered sometime in the night. To protect the family from scandal, Nelson asks Frank to investigate. Frank and Sarah delve into Pritchard's past and realise there may have been a deadly side to the dawning of the new century.