Bobo is a free-spirited wanderer who docks in a Pacific seaside town with his buddy Tiny, a sponge who wants to leave. After a night of drunken debauchery, Bobo awakens on a strange barge wearing the cap of a dead man. Afraid he has committed the crime, Bobo prepares to skip town with Tiny but is delayed when he meets Anna, who he rescues from drowning herself in the surf. They fall in love and open a business together selling bait. Jealous and desperate to leave, Tiny attempts to ruin the relationship, and when Anna learns that Tiny has been keeping a dark secret, it's clear only one of them will survive.