Izaak Van Tassel is finally ready to move on, leaving his post as Commander of CS-1320 with his new lover Vincent. Even if he's not entirely confident of Vincent's feelings. His only consolation is that his right hand man and trusted friend Tarn will be accompanying him, as well as Tarn's partner Calvin. Then an accident in space divides the part of four, stranding Izaak and Calvin on a crippled ship, and Tarn is left to deal with the difficult Vincent...