The film is about a relationship in which there is physical and psychological violence. The protagonist Al is probably one people with borderline disorder by the impulsive type. It is shown why people persist anyway in such a destructive connection, at least until the personal pain threshold is reached and / or one recognizes that one is not happy with the partner / its objectives can not be realized.
In this case, Kate realizes that she will never come out with Al from the environment and your dream can not be realized by the life on the beach with him, although he always promises the opposite. Then she turns the tables and even the master of manipulation, because she sees no other way to escape from his clutches.