 While Robert and Laura held Mikkos's guards at gunpoint, Luke confronted Mikkos which resulted with Mikkos freezing to death in his own ice chamber and Luke frantically trying to guess the code to unfreeze Port Charles.Luke succeeded, and they all returned to Port Charles as heroes, with Tiffany joining them.Luke and Robert agreed that the formula and the ice machine needed to be destroyed to avoid the risk of falling into the wrong hands.