Alison's Swap: Kelly's Quickies #28

Mike suggests that to spice things up a little Alison, his wife of five years, should consider swapping with a couple he knows from work. To his amazement she finally agrees, but what Mike doesn't understand about his quiet wife is that she has a vivid imagination, and is more than happy to act out her wildest and darkest fantasies while he is busy with another man's wife.