Elementary - Solve for X

Seizoen: 2 - Aflevering: 2 / 26 - Eerst uitgezonden: 03 oktober 2013 - Episode ID: 783662

When a well-respected mathematician is found dead, Holmes and Watson set out to solve a murder and the purpose of the highly guarded equation he was trying to decipher. Meanwhile, Watson is conflicted when the son of a former patient approaches her for a loan.