The day after the Suzuki family's awkward Christmas party, Kyogoku (Toshiaki Karasawa) and Kyogoku's daughter Yui (Nozomi Sasaki), and Ryota (Masataka Kubota) and Kyogoku's ex-wife Kanako (Eimi Wakui) find their bodies switched! While both the Yokohama Central Police Station and the Suzuki family are in turmoil, a terrorist attack is carried out by an armed group.