ðeɪ mˈiːt ɐ dʒˌɛnəsˈaɪdəl ɹᵻlˈɪdʒəs kˈʌlt kˈɔːld ðə ɹˈɛd kɹˈɔs, lˈɛd baɪ ɐ sˈɛlf pɹəklˈeɪmd pɹˈɑːfɪt kˈɔːld mˈɜːsi, hˌuː tɹˈaɪd tə kˈɪl ˈɛvɹɪwˌʌn ˌɔn ˈɜːθ.
They meet a genocidal religious cult called the Red Kross, led by a self proclaimed prophet called Mercy, who tried to kill everyone on Earth.