Using his commanding alien powers, Max forces a Hollywood mogul - in reality a mysterious alien shape shifter going by the name of Kal Langley - to exploit his military connections in order to locate the spacecraft that brought them to earth. Together, Max and Kal undertake a dangerous journey as they seek to learn of the fate of Tess and his son. Back in Roswell, Isabel and Jesse must face the negative reactions of their parents and friends to their impending marriage.