Russian spies! Double-lives! No, it's not today's headline but Stoppard's Cold War era play of quantum physics and international espionage. Elizabeth Hapgood, a British spymaster, juggles career and motherhood as she tries to expose a double-agent leaking scientific secrets to Moscow. Can she uncover the mole in time, before this game of triple-crosses and look-alikes begins to threaten her own family?