In an attempt to save Sirius from his inevitable death, Harry Potter and his friends travel back in time to save him but end up in the 1940s instead. In the 1940s, Harry finds himself entangled in Tom Riddle's game of cat and mouse. Will he ever outplay the player? Or fall in love while at it? ~loosely inspired by How to Prevent a war... and practically all the tomarry time travel fanfics~