Ted finds out that his wife, Jennifer, is having an affair with Lt. Nunally.
Ted purchases the exact same model of the gun Nunally possesses.
One afternoon, Ted makes his way to the hotel where Nunally and Jennifer are and switches his gun with Nunally's.
Ted kills uses Nunally's gun to shoot his wife, reloads the weapon, and when Nunally shows up, Ted switches the guns once again.
Nunally is in shock and walks away with his gun, the murder weapon.
Jennifer is admitted to a hospital although in a vegetative state with the bullet inside her head.
After that, Ted pleads guilty, and due to the unavailability of a murder weapon, he is acquitted.