After five (or six) years of vanilla-wedded bliss, ordinary suburbanites John and Jane Smith are stuck in a enormous rut. Unbeknownst to each other, they are both coolly lethal, highly-paid assassins working for rival organisations. When they find they are each other's next target, their secret lives collide in a spicy, explosive mix of humor, pent-up fire, nonstop action and high tech weaponry.