You are one of the top Problem Sleuths in the city. Solicitations for your service are numerous in quantity. Compensation, adequate. It is a balmy summer evening. You are feeling particularly hard boiled tonight. What will you do?

1940s PI is by his desk, embarrassed - he's accidentally cuffed his wrists behind his back, and can't find the key.

Principle Pi searched in vain for the key that would unlock the handcuffs that bound him to the chair.

Blue pi, the happiest of all pi's, is only made miserable when chained to a chair without a key.

Blue Pi is exceptionally happy from morning to evening. However, he needs to be restrained in the middle of the day, otherwise he goes a bit wild.