"John Williams" is an alien Alphoid, who has adopted human form and lived on earth for millennia. Galactic Control instructs him to investigate a strange vibration they have detected coming from planet Earth. The sound is being produced by Olivia and her pop band "Toomorrow", from sonic vibrations emitted by their special amplifier, a "tonaliser".
Eddie, a cocaine-addicted womanizing casting director, lives in the Hollywood Hills, where his friend Mickey has come to stay with him temporarily after a fallout with his wife. Along with their buddies, Artie and out-of-work actor Phil, Eddie and Mickey live a life of decadence and immorality. Eddie is in love with Darlene, but she is also seeing the married Mickey.
A coachless youth baseball team travels to Houston for a shot at playing the Texas champions, while one player hopes to reconnect with his estranged father.
After meeting at their parents’ wedding, two married cousins-by-marriage find themselves drawn together as their spouses’ infidelities strain their relationships.
An aspiring writer and his brash neighbor are thrown together after her eviction, and their clashing personalities give way to an unexpected connection.
Nora Wilder (Parker Posey), a single career woman, works at a Manhattan boutique hotel where her excellent skills in guest relations are the complete opposite of her skills in the romance department. If it is not her loving yet dominant mother (Gena Rowlands) attempting to set her up that consistently fails, she has her friend's (Drea de Matteo) disastrous blind dates to rely on as a backup for further dismay. She's surrounded by friends who are all either happily engaged or romantically involved and somehow, love escapes Nora—until she meets an unusual Frenchman (Melvil Poupaud) who helps her discover life beyond her self-imposed boundaries.