Three Coins in a Fuchsbau

S1 E13: A failed jewelry store robbery results in a murder that finds Nick and Hank immersed in a hunt for rare coins. Nick soon learns that these coins have an unsettling effect on whoever possesses them, as Hank and Captain Renard begin to exhibit unusual behavior. Meanwhile, a mysterious old friend of Aunt Marie’s comes to Nick with information about his family and what led to his parent’s death.