Mary Beth is a marine biologist that gets annoyed when a dog called Zeus stows aboard her research boat. Nevertheless she is intrigued when the intrusive canine makes best-friends with her captive dolphin, Roxanne. She falls in love with Zeus's owner, Terry, a musician who rides a bike.

• Rysher Entertainment
• Metro-Goldwyn-Mayer
• Steve Guttenberg
• Kathleen Quinlan
• Arnold Vosloo
• Dawn McMillan
• Jessica Howell
• Duchess Tomasello
• Shannon K. Foley
• Jim R. Coleman