Johnnie is waiting for Hennie, who will give him a tip about an upcoming horse race on which Johnnie wants to bet. Johnnie however needs to go away on an other job urgently so he gives the money to Kees. He must give the money to Hennie to place the bet.
Kees, however, is seduced by a lady to play a game. At first the woman acts like an amateur, but when it becomes interesting, she changes in to a professional.