In the vibrant city of Los Angeles, a valley girl named Valerie, engaged to her philandering doctor fiancé, forlornly catches him cheating, leading her to reconsider her romantic entanglements. Amidst her heartbreak, a spaceship crashes into her pool, revealing three furry, colorful aliens: Mac, Wiploc, and Zeebo. The crash landing introduces Valerie to these curious extraterrestrial beings who are eager to learn about Earth and its customs. With their bizarre yet endearing mannerisms, the aliens quickly pique Valerie's interest and trigger a series of comically chaotic events. Determined to help them blend in temporarily, she takes them to her friend Candy's salon for makeovers, transforming them into more human-like appearances.

As the aliens experience Earth's culture and nightlife through Valerie's guidance, their charming antics and innocent curiosity become increasingly entertaining. Valerie and her friends introduce them to music, dancing, and romance, all of which bewilder and intrigue the aliens in equal measure. However, as their time on Earth progresses, unexpected relationships begin to blossom, especially between Valerie and one of the aliens. Meanwhile, keeping the aliens' true identities a secret becomes more challenging with each passing day. As tensions rise, both humans and aliens alike confront their feelings and their understandings of love—leading to humorous mishaps and surprising revelations that shape the path for a heartwarming resolution amidst the chaos around them.