e illegality appears somewhere in the transaction; since the principle is founded on public policy, it may give way to a supervening public policy." KuHal E.F. Hutton & Co., Inc., 426 So. 2d 1055, 1057 n. 1 (Fla. 3d DCA 1983). 'The fundamental purpose of the rule must always be kept in mind, and the realit