A self-indulgent private investigator winds up on a cruise ship full of rich patrons, gorgeous women, murderous terrorists, and scarce food.

Krishnaswamy (Kamal Haasan) is a widower living happily along with his mother-in-law Saraswathi (S. N. Lakshmi), daughter Kaveri (Mahanadi Shobana) and son Bharani (Mahanadhi Dinesh) in a village near Trichy. Dhanush (Cochin Haneefa), a con from the city,

A fun-loving American bulldog pup, a hilarious Himalayan cat, and a wise old golden retriever embark on a long trek through the rugged wilderness of the Sierra Nevada mountains in a quest to reach home and their beloved owners.