Ami, Rei, Makoto, and Minako all have tickets to board a fan-club flight with the Three Lights. Jealous at missing out on all the fun, Usagi sadly walks back home to find a letter addressed to Eternal Sailor Moon from Sailor Aluminum Siren. Realizing that the flight is actually a trap, Usagi is desperate to save her friends. The four Inner Guardians and the three Starlights are forced to reveal their identities to each other, and Sailor Aluminum Seiren is killed for not finding a real Star Seed.