Sheryl comes across Alto again in her quest to find her missing earing. She orders Alto to guide her around the Macross Frontier fleet. Elsewhere, Ozma and Ranka argue about her decision of becoming a singer.

The members of S.M.S Macross Quarter investigate the truth behind the destruction of the 117th Large Scale Research fleet in a Vajra attack and Ozma Lee finds the shadow of Grace O' Connor's ambition present in the incident where Ranka lost her family. Meanwhile, the NUNS military forces of Frontier prepare for a final decisive battle to protect the fleet from the Vajra.