The film finds DiCaprio playing a hard-living revolutionary who is trying to rescue his kidnapped daughter. In off-beat, often hilarious footage shared at CinemaCon by DiCaprio and his co-stars Regina Hall and Teyana Taylor, DiCaprio’s character struggles to remember the password that will bring a group of radicals to his assistance.

Warner Bros kicked off its CinemaCon 2025 presentation with Paul Thomas Anderson's Leonardo DiCaprio movie One Battle After Another.

In 'One Battle After Another,' DiCaprio portrays a gritty, drug-fueled revolutionary caught in a desperate quest to rescue his kidnapped daughter. The footage showcased at CinemaCon features DiCaprio's character attempting to recall a critical password needed to summon aid from his fellow radicals.