Duncan Traub is the owner of a chocolate milk restaurant who is involved in a stabbing. He suspects that his former business partner is the stabber. Jake and Terry team up to investigate the case.
Throughout the Series
Season Two
In Chocolate Milk, Jake and Terry investigate the owner of a chocolate milk business who was stabbed. He tells them that you don't go into the chocolate milk business to make friends which confuses Jake. When they ask who did it, he is certain that it was his former business partner, Gregory Phillips who stabbed him. He then offers some chocolate milk to Jake and Terry but it is very sour. He explains that the bitterness of the chocolate brings out the sourness of the milk which confuses and disgusts Jake and Terry.