When an extra-terrestrial message is decoded to reveal a date and time, and what experts believe to be the intention to mate, Agent Sloane is tasked with wrangling the world's most legendary love-machines. The colorful cast are tested in the 'Tunnel of Love'. They tangle with pincers, cloacae, various phalluses, enzymes, ovipositors, and tentacles -prepared for anything- all for the glory of representing humanity at First Contact. And when a camera smuggled into the top-secret base leaks the mission info, the eyes of the whole world are watching...