There are multiple events in the videotape which affect game play, and once the countdown clock hits 00:00 the ship reaches Qo'noS and opens fire on the Klingon ships stationed there who return fire, blowing up the Enterprise and igniting a war.
There are multiple events in the videotape which affect game play, and once the countdown clock hits 00:00 the ship reaches Qo'noS and is attacked by Klingon ships stationed there. The Enterprise manages to blow up one Bird of Prey before the Klingons hit the Enterprise's nacelle, blowing up the Enterprise and igniting a war.